The correct option is B Secretin and cholecystokinin
Intestinal juice which is released by the wall of the small intestine is also called succus entericus, that contains various enzymes such as maltase, dipeptidase, lipase along with hormones and mucus.
Secretion of succus entericus is induces by secretin and cholecystokinin.
Insulin is a peptide hormone which decreases blood glucose level. Glucagon is also a peptide hormone which increases blood glucose level.
So, the correct answer is option 'b'.