It is necessary that the plan (fulfill) ______ before Thursday.

A．The woman is busy working.
B．The woman can’t give the message to Mr. Smith.
C．Mr. Smith is in his office.
D．Mr. Smith will be back .soon.

A．About 8 o’clock.
B．About 10 o’clock.
C．About 9 o’clock.
D．About 11 o’clock.