Jeff goes to work _____and his wife goes to work         [ ]

A. by car;on her bike                      

B. by a car; her bike        

C. by cars; by bike                        

D. by his car; by bike

关于慢性、非传染性疾病的叙述不正确的是[ ]

A．受遗传因素的影响

B．不健康的生活方式加速这些疾病的发生和发展

C．健康的生活方式加速这些疾病的发生和发展

D．受环境因素的影响