If a Japanese and an American Were Each Contacted by a Stranger

If a Japanese and an American were each contacted by a stranger for help,we would expect that the

A) American would trust the stranger less than the Japanese.
B) American would only trust the stranger more than the Japanese if the American had an acquaintance who knew the stranger.
C) Japanese would trust the stranger more than the American only if the stranger were of the same sex as himself or herself.
D) American would trust the stranger more than the Japanese only if the American had heard about the stranger previously.
E) Japanese would trust the stranger less than the American.