________ operation was very successful indeed，which was ________ comfort to the

题型：不详难度：来源：

________ operation was very successful indeed，which was ________ comfort to the concerned mother.

A．The；/	B．An；the
C．An；a	D．The；a

答案

D

解析

句意为：事实上手术非常成功，这对担忧的母亲来说是一个安慰。这个手术是特指的所以应该用定冠词the；a comfort在此表示一件令人欣慰的事。