题干
— Do you think he can deal with the difficult problem?
—Yes, I am sure he will find a good method to solve it.
A：idea
B：opinion
C：way
答案(点此获取答案解析）
C
— Do you think he can deal with the difficult problem?
—Yes, I am sure he will find a good method to solve it.
A：idea
B：opinion
C：way
（R或R´可以是烃基或H原子）。