How Did the United States Respond to the OPEC Oil

How did the United States respond to the OPEC oil embargo in the early 1970s?

A) Americans started to buy small,fuel-efficient automobiles manufactured in Detroit.
B) Congress cut off funding for the construction of the remainder of the interstate highway system.
C) American automobile manufacturers began producing expensive,all-electric cars.
D) Congress passed a law limiting highway speeds to 55 miles per hour.