问题
选择题
It was only when I read his poems again recently I began to appreciate their beauty.
A．until
B．then
C．that
D．so
答案
C
题目分析：句意：就是只在我最近又看了一遍他的诗时我才开始欣赏它们的美。It is/was ... that...是强调句式。在这里强调时间状语。that不能用其他词代替。所以选C。
考点: 考查强调句式的用法。