In January 1981, in the ______ of the Iran-Iraq War, oil giant Exxon announced that it would pour $11 billion into investment and exploration in overseas markets.

A．More lay-offs are inevitable.
B．The expenses are up in every department.
C．Lay-offs have been necessary.
D．Profits are down this quarter.

A．All roofing work will stop.
B．New walls will be built.
C．The roofers will stay in the house.
D．Mr. Smith will be on vacation.