Question

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

A．when; for

B．that; on

C．that; for

D．/; on

Answer 1

C

这题考查强调句和介词：第一空填that是强调句，强调时间状语when Asimov was eleven years old第二空填for，talent for“…的天赋”，句意是：就是在Asimov11岁时，他的写作天赋显现出来了。选C。