Question

It was only when I read his poems again recently               I began to appreciate their beauty

1. A.
   until
2. B.
   then
3. C.
   that
4. D.
   so

Answer 1

C
试题分析：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。