用间接碘量法滴定，加入淀粉指示剂的正确时间是（）

A.滴定开始

B.滴定至中途时

C.滴定近终点时

D.滴定至碘的颜色褪去时

E.任何时候

—Is the tie made       silk?     —Yes, it’s made        Italy.

A．from, in

B．of, in

C．from, of

D．of, from