What the doctors really doubt ismy lather will reeover from me serious disease soon.A. whe

问题补充：

What the doctors really doubt ismy lather will reeover from me serious disease soon.

A. whether

B. when

C. why

D. how

答案：

A. whether

B. when

C. why

D. how

解析：根据doubt一词的用法可知，所怀疑的应是是否能治好病，所以要填whether。