Question

Much to the couple’s comfort, their income is now double ________ it was five ye

Much to the couple’s comfort, their income is now double ________ it was five years ago.
A. that
B. than
C. which
D. what

Answer 1

答案D
考查名词性从句。What在从句中作表语，句意：使这对夫妇安慰的是，他们的收入是五年前的两倍。