No one can tell how many sufferings the kidnapped boy when he was rescued yester
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No one can tell how many sufferings the kidnapped boy ________ when he was rescued yesterday.
A.had
B.has had
C.had had
D.would have
试题答案
C
解析：考查时态。因为have sufferings发生在男孩被解救（was rescued)之前，所以是过去的过去。