If you grow up in ___ large family, you are more likely to develop ___ ability to get on well with ___ others.

A．/; an; the

B．a; the; /

C．the; an; the

D．a; the; the

电控燃气发动机由于燃气、电控系统故障导致发动机振动过大的原因是（）。

A、现行电子故障代码正在起作用或非现行故障代码记次过多

B、点火系统故障

C、一级或二级减压阀压力不稳定

D、水温过低