I have seldom seen my mother--pleased with my progress as she is now A so B very

I have seldom seen my mother——pleased with my progress as she is now

   A so     B very    C.too    D rather

试题答案

A

解析:

考查副词。句意为：“我从来没见过母亲对我的进步如此满意。”此处为“so(as)...as”结构，表示“像……一样”，此处前有否定词seldom修饰，故用so。