Coffee was___into England form the Continent

Coffee was___into England form the Continent
Really?Now coffee is dunk almost in every part of the world.
A.produced B.invented C.introduced D.led
Taiwan _____China form ancient times.
A.is belong B.belongs to C.is belonging to D.belonged to
Is the man your uncle?
No.He is___my uncle ____my father.
为什么第一个选C？