按天平名义分度值与最大载荷之比，可以把天平分为（）类。

A.9

B.10

C.11

D.12

Which statement about the ARJ-21 Advanced Regional Jet is false().

A. It is the first homegrown Chinese jetliner for the 21st Century.

B. It is of medium range.

C. It should start to roll off the production line later this year.

D. None of the above.