A Shift of the U

A shift of the U.S. demand curve for Mexican pesos to the left and a decrease in the pesos price per dollar would likely result from:

A) an increase in the U.S. inflation rate relative to the rate in Mexico.
B) a change in U.S. consumers' tastes away from Mexican products and toward products made in South Korea, India, and Taiwan.
C) U.S. buyers perceiving that domestically-produced products are of a lower quality than products made in Mexico.
D) all of these.