语法讨论3/13---236-240

236. Unlike other arachnids, which have their nerve cells
evenly distributed along their bodies, the scorpion’s
nerve cells are clustered in its head, like a mammal’s.

(A) bodies, the scorpion’s nerve cells are clustered in
   its head, like a mammal’s
(B) bodies, the scorpion’s head had a cluster of nerve
   cells, as a mammal does
(C) body, the scorpions has a cluster of nerve cells in its
   head, as a mammal does
(D) body, nerve cells are clustered in the scorpion’s
   head, like a mammal’s
(E) body, a cluster of nerve cells is in the scorpion’s
   head, like a mammal’s

237.Clark and Florence Wallace,a husband-and-wife medical team,worked steadily and efficiently through the night,but (sipping their coffee the next morning,she noticed that he seemed disoriented.)
A.
B.sipping their coffee the next morning,he seemed to be disoriented ,she noticed
C.as they sipped their coffee the next morning,she notice that he seemed disoriented
D.as they were sipping their coffee the next morning,he seemed,she noticed,disoriented
E.he seemed disoriented,she noticed,sipping their coffee the next morning.

238.(Very popular from 1900 until the 1920`s,the renewed interest in ceiling fans began)when the energy crisis in 1974 forced homeowners to look for alternative methods of heating and cooling.
A.
B.The renewed interest in ceiling fans,which were very popular from 1900 until the 1920`s began
C.After they were very popular from 1900 until the 1920`s,the renewed interest in ceiling fans was beginning
D.Ceiling fans were very popular from 1900 until the 1920`s,with renewed interest beginning in them
E.From 1900 until the 1920`s ceiling fans were very popular,and now the renewed interest in them has begun.

239.There is speculation (that increasing cold weather was what may have been) responsible for the Anasazi move from Mesa Verde to sites in other canyons.
A.
B.whether increasing cold weather was what was
C.that increasingly cold weather was what had been
D.whether increasingly cold weather may have been what was
E.that increasingly cold weather may have been

240.In Aristophanes`Lysistrata women are seen (as) the means of bringing peace and good sense to a wartorn world.
A.
B.as if they were
C.that they will be
D.that they are
E,for being