Students' needs are diverse. There are various types of schools and training programs to choose from.

A. Students' needs are diverse although there are various types of schools and training programs to choose from.

B. There are various types of schools and training programs for students of diverse needs to choose from.

C. Students' needs are diverisifying types of schools and training programs for them to choose from.

D. Students' needs are diverse, so there are various types of schools and training programs to choose from.