Cycle Time也就是C/T的意思是？

A、根据 format格式定义，解析字符串t，返回 struct_time类型时间变量

B、将 struct_time对象变量t转换为时间戳

C、将当前程序挂起secs秒，挂起即暂停执行

D、返回一个代表时间的精确浮点数，两次或多次调用，其差值用来计时

A．8:45.

B．8:50.

C．0.375

A．6:45

B．6:15

C．6:30

A．8:00

B．7:50

C．8:10

A.9:10.

B.9:50.

C.10:00.

A．8:45.

B．8:15.

C．9:15.

A．Morning.

B．Afternoon.

C．Evening.

A．To imitate it.

B．To use it from time to time.

C．To ask for it.

D．To hear it.

A．To imitate it.

B．To use it from time to time.

C．To ask for it.

D．To hear it.

A．To imitate it.

B．To use it from time to time.

C．To ask for it.

D．To hear it.