The Presence of Imports the Size of the Multiplier Because

The presence of imports the size of the multiplier because with an increase of real GDP,
)

A) decreases; U.S. firms can sell goods to other countries
B) increases; U.S. consumers buy goods from other countries
C) decreases; U.S. consumers buy goods from other countries
D) increases; U.S. firms can sell goods to other countries