A-A+
This article deals with the natural ________
问题详情
This article deals with the natural ________, which is most interesting to everyone.
A．phenomenas
B．phenomenons
C．phenomena
D．phenomenon
参考答案
正确答案：D
解析：phenomenon是单数形式，其相应的复数形式是phenomena。从本题的非限定性关系从句中，我们可以看出应选用这个词的单数形式。
