It a Saturday afternoon in May Margaret could arrange for me to meet her elder sister.A.

问题补充：

It a Saturday afternoon in May Margaret could arrange for me to meet her elder sister.

A. was until, when

B. was until; that

C. was not until, when

D. was not until; that

答案：

A. was until, when

B. was until; that

C. was not until, when

(答案→)D. was not until; that

解析：考查强调句。本题考查not … until …与强调句的连用，构成It is / was not until + 从句+ that +主句结构，故选D。