is known to us all is that the old writer, for life was hard in the past, still works ver

is known to us all is that the old writer, for life was hard in the past, still works very hard in his eighties.
A. What; whom
B. As; whom
C. It; whose
D. What; whose

(答案→)A. What; whomB. As; whomC. It; whoseD. What; whose解析：第一空考查主语从句，what在主语从句中做主语，第二空考查定语从句，改成陈述句是life was hard in the past for him对他来说过去的生活很难。选A。

我好好复习下

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