A warm thought suddenly Acame to me Bwhich I might Cuse the pocket money to buy some flowe

Which of the italicized parts functions as a subject？A．It suddenly occurred to me that all

To stay warm in cold weather, cold－blooded animals must expose itself to a source of warmt

It suddenly _____to her that she might adopt a homeless child.AhappenedBoccuredCtook pl

When suddenly transplanted in a new land，quite a lot of people find _____ to adjust to

To our surprise，she suddenly _____ in front of us .A.appealedB.appearedC.appeasedD.pre

I didn’t know what to do but then an idea suddenly ______ me.A.happened to B.ente