This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Stenson duct pierces the following structures :
a. Pharyngobasilar fascia
b. Superior constrictor muscle
c. Buccinator
d. Buccopharyngeal fascia
e. Masseter 
Select and explain. 
A. a, b, e, B. b, a, e, C. c, e ,a, D. d, c
D: d, c
Answer: D: d, c 
Explanation: Parotid duct .