187. In one of the bloodiest battles of the Civil War, fought at
Sharpsburg, Maryland, on September 17, 1862, four times as many
Americans were killed as would later be killed on the beaches of
Normandy during D-Day.
(A)Americans were killed as
(B)Americans were killed than
(C)Americans were killed than those who
(D) more Americans were killed as there
(E)more Americans were killed as those who
答案为A，看过讨论区，可以理解AS后省略了americans，但是想问这句话的
主语和谓语分别是什么？实在找不出。 | 
