Iwastold______BillGateswasthirteenhebegantoplaywi

I was told ______Bill Gates was thirteen he began to play with computers.

A. that how

B. how that

C. when that

D. that when

正确答案：D
[解析]宾语从句中又含时间状语从句宾语从句用that引导时间状语从句用when引导