Answer to Question 1
Answer: Subduction will bring small volcanic islands together, creating larger landmasses. The larger landmasses come together to form continents. The continents continue to grow as accreted terranes are added to their borders. Sometimes, these accreted terranes are in the form of microcontinents. It all boils down to subduction.
Answer to Question 2
Answers: 1) C 2) A 3) B