[QA] The arrival of a great wave of southern and eastern European immigrants at the turn of the century coincided with and contributed to an enormous expansion of formal

Question:

The arrival of a great wave of southern and eastern European immigrants at the turn of the century coincided with and contributed to an enormous expansion of formal schooling.

• A.
  was influenced by
• B.
  began to grow rapidly
• C.
  ensured the success of
• D.
  happened at the same time as