(单选题)

—I wonder ______ that bus service is provided in the Mount Qomolangma National Nature Reserve.
—To better balance tourism development and environment protection.

A.why is it

B.why it is

C.how is it

D.how it is

参考答案：B

参考解析：

考查宾语从句语序。句意：“我想知道为什么珠穆朗玛峰国家自然保护区提供公共汽车服务。”“为了更好地平衡旅游发展与环境保护。”此处是宾语从句，用陈述句语序，根据回答应该是why引导宾语从句。故选B。

知识点：

—I wonder ______ that bus service is provided in the Mount Qomolangma National Nature Reserve.—To better balance tourism development and environment protection.