Puerto Ricans Differ from Other Spanish Speaking Groups in That

Puerto Ricans differ from other Spanish speaking groups in that __________.

A) they have a higher family income level than most Hispanic groups
B) the vast majority of them live in rural areas in the mainland U.S.
C) they are all citizens of the U.S. and have been so since 1917
D) the bulk of their immigration occurred between World War I and World War II