— I’m sorry. That advice wasn’t of much        .

— Oh, sure it was. As a matter of fact, it was most      .

A．help; helpful

B．useful; use

C．helpful; helpless

D．useless; useful

王某，足月产1次，早产1次，流产2次，现有子女2人，其生育史应简写为( )。

A．1-1-2-2
B．2-1-0-2
C．1-0-1-2
D．1-1-0-2
E．2-1-0-1