83. Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.
(A) a condition when it is present and indicate that there is one
(B) when a condition is present and indicate that there is one
(C) a condition when it is present and indicate that it is present
(D) when a condition is present and indicate its presence
(E) the presence of a condition when it is there and indicate its presence
如果把结尾when it is not改成when there is not，是否A就正确了呢？？
That is:
A condition when it is present and indicate that there is one when there is not. | 
