Marque a opção correta para completar as frases no present perfect tense

a. Dean and Julie _________ a member of our club. (to become)
( ) have become
( ) have became
( ) has become

b. The students ________ the tests. (to do)
( ) has done
( ) have done
( ) have did

c. My friends_________ around the world. ( to travel)
( ) have travel
( ) has traveled
( ) have traveled​