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(C)
(E) the presence of a condition when it is there and indicate its presence
看看E, 对幛多么工整啊! 可就是不对呢? 相比之下,C就差远了.
detect |
the presence of a condition |
when |
it is there |
indicate |
its presence |
when |
it is not |
|