【开放英语4(英语II(2))-1162网上形考机考题库】 I have the complacent feeling ______ I’m highly intelligent.

【开放英语4(英语II(2))-1162网上形考机考题库】 I have the complacent feeling ______ I’m highly intelligent.
A. what
B. which
C. that
D. this