WJ-8型扣件系统中X2型弹条的扭矩约为（）。
A.80N·m
B.120N·m
C.110N·m
D.95N·m
参考答案：C
— _______ English classes do you have every week? —Five. [ ]
A. How often
B. How long
C. How much
D. How many
