Can someone quickly help me with this

Which of these sentences exhibits proper usage? a. many doctors affiliated with university hospital expressed concern about the policy (moore 5). b. many doctors affiliated with university hospital expressed concern about the policy (moore 5). c. many doctors affiliated with university hospital expressed concern about the policy (moore 5). d. many doctors affiliated with university hospital expressed concern about the policy (moore 5).

Namerican born chinese, the main characters, the monkey king, danny, and jin wang have conflict because they:

Lines 47–56: determine the central idea of these lines