问题
词汇知识从每小题的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该选项涂黑。11. We are living in ______ world ofdeveloping, ______ world where any problemcan be solved in a peaceful way.
A:I hope so
B:Thank you
C:Yes, of course
D:a; a
B:Thank you
C:Yes, of course
D:a; a
正确答案是：
