After having breakfast, he ______ to the bus stop this morning. [ ]

A. ran off

B. put off

C. took off

D. turned off

( )具备较强的安全意识，一旦事故发生能够采取必要的自救措施，有助于减少事故发生或降低事故的损害程度。

A．驾驶员

B．乘客

C．乘务员

D．行人