The patient’s son asked the doctor the questionhis father could survive the big operation.

问题补充：

The patient’s son asked the doctor the questionhis father could survive the big operation.

A. whether

B. if

C. that

D. what

答案：

(答案→)A. whether

B. if

C. that

D. what

解析：考查同位语从句。同位语从句Whether his father could survive the big operation解释the question内容。结合句意可知A正确。句意：那个病人的儿子问医生的问题是他的父亲是否能从这个大手术中幸存下来。