Why Might Some Immigrant Parents Be Especially Conservative in Their

Why might some immigrant parents be especially conservative in their attitudes toward their children dating?

A) Most immigrant parents fear their children will be rejected by majority-group dating partners,so they want to protect their feelings.
B) Immigrant children have a limited pool of other immigrants to date,so it's easier to just not date at all.
C) Immigrant parents typically come from liberal cultural backgrounds,and therefore "tone down" their attitudes,but to too great an extent.
D) The parents' cultural or religious values might have limited their own dating opportunities,and therefore their knowledge of typical dating practices.