Question

--Thank you very much.  

 --Not at all , I was____________ glad to help.

   A. too       B. only too    C. not so    D. much

Answer 1

B

解析:

only too…to，just too…to，simply too…to等，后面的动词不定式不表否定意义。A、C两项不合题意，可排除；D项much不修饰一ad这样的普通形容词原级。