问题
单项选择题
This subject is () than that one.
A．difficult
B．much difficult
C．very more difficult
D．much more difficult
答案
参考答案：D
解析：
由than看出，此句应用比较级，much可以用来修饰比较级。故选D。
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This subject is () than that one.
A．difficult
B．much difficult
C．very more difficult
D．much more difficult
参考答案：D
解析：
由than看出，此句应用比较级，much可以用来修饰比较级。故选D。