某市出租车的收费标准是：起步价7元，超过3km时，每增加1km加收2.4元(不足1km按1km计)．某人乘这种出租车从甲地到乙地共支付车费19元，设此人从甲地到乙地经过的路程是xkm，那么x的最大值是(         )

A．11

B．8

C．7

D．5

-What does your uncle do?

-_____________.    [ ]

A. He is a doctor

B. He is a Chinese

C. He is tall

D. She is a doctor