题目内容
（请给出正确答案）
[主观题]
When ________, John did not reply.
(A) he asking what his name was
(B) was asked what his name was
(C) asking what John’s name was
(D) asked what his name was
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When climbing the hill, John was knocked unconscious by an______rolling stone.
A．untouched
B．unfamiliar
C．unexpected
D．unbelievable
