The Strong Appreciation of the Dollar for the Last Part

The strong appreciation of the dollar for the last part of the 1990s:

A) Was a benefit to all U.S.residents but costly to most foreign producers
B) Was a benefit to U.S.exporters, but put a severe strain on U.S.Importers
C) Was welcomed by all U.S.manufacturers
D) Played a key role in keeping inflation in check even though the economy was growing rapidly