It was        Asimov was eleven years old        his talent for writing                        became obvious.

A．that, when

B．When, which

C．when, when

D．when, that

民主革命时期，在我们党内统治时间最长、造成损失最大的“左”倾路线的代表人物是（）。

A.瞿秋白

B.李立三

C.张国焘

D.王明