问题
选择题
It was just at the time the bell rang he finished the last word in his composition.
A．when; which
B．that; when
C．when; that
D．that; which
答案
答案：C
本题考查定语从句及强调句。when引导定语从句，先行词time在从句中作时间状语，后面that为强调句It was … that…结构，选C。