问题补充:
the old man’s sons wanted to know was the gold had been hidden.
A. That, what
B. What, where
C. What, that
D. What, if
答案:
A. That, what
(答案→)B. What, where
C. What, that
D. What, if
解析:第一空考查主语从句,what做主语从句的宾语,第二空考查表语从句,缺少地点状语用where,句意:老人的儿子想知道的是金戒指被藏在哪里。选B。