基因型为AAbb和aaBB的个体杂交(两结基因独立遗传)，其F₂中能稳定遗传的新类型占F₂新类型总数的[ ]

A．1/16

B．1/8

C．1/3

D．1/5

It is reported that some mainland visitors to Hong Kong Disneyland didn't ________ the park rules

and behaved improperly. [ ]

A. come up to  

B. keep to

C. come about  

D. make up