Assume the British Pound Appreciates Against the Dollar While the Japanese

Assume the British pound appreciates against the dollar while the Japanese yen depreciates against the dollar. Which of the following is true?

A) Japanese exporters can increase American sales by shifting operations from their British subsidiaries to Japan.
B) British exporters can increase American sales by shifting operations from their Japanese subsidiaries to Britain.
C) American exporters can increase sales to Japan by shifting operations from Japanese subsidiaries to American subsidiaries.
D) B and C