If you had followed my advice, ______(你现在就能完成工作了).

A．New shopping centers are very common.
B．The shopping center is very old.
C．The city needs more shopping centers.
D．The old house should be turned into stores.

A．develop other enterprises that cost less water
B．draw a plan of irrigation for the various nations
C．import water from water-rich nations
D．stop wars of any sort for good end all