__________ (无论什么困难) we may come across, we’ll help one another to overcome them.

A．during Prohibition, most Americans stopped drinking
B．the Congress was wise to repeal Prohibition
C．laws should be passed to ban the sale of alcoholic beverages
D．the Prohibition Era was characterized by a decrease in crime and drunkenness

A．sustain
B．maintain
C．obtain
D．contain