PLEASE HELP WILL GIVE BRAIN LEIST!!!!!!!!!!!!!
Which sentence uses an appropriate transition to show causes and effects among events? (3 points)


A.Students must schedule an appointment with an advisor and they can choose their classes for next semester.

B.Students must schedule an appointment with an advisor when they can choose their classes for next semester.

C.Students must schedule an appointment with an advisor until they can choose their classes for next semester.

D.Students must schedule an appointment with an advisor so that they can choose their classes for next semester.