Following 1603, What Action Did the Ottoman Sultan Take That

Following 1603, what action did the Ottoman sultan take that affected his sons?

A) He had his sons sent to foreign countries for education.
B) He had his sons killed or banished so they wouldn't threaten his reign.
C) He gave his sons small plots of land so they could practice farming and herding animals.
D) He had his sons raised in the harem instead of participating in military service.
E) He put his sons under the care of the ulama for religious training.