题干
The _______now is that we have lots of ________ to ask.
A：problem, questio
B：question, problem
C：question, problem
D：problem, questio
答案(点此获取答案解析）
A
A：problem, questio
B：question, problem
C：question, problem
D：problem, questio
，则 
的值为（ ）.