A tantalizing paradox in the field of number theory—especially for the neophyte—is that even one with little training can pose a legitimate question that can _____ a seasoned expert.
A.impress
B.baffle
C.undermine
D.confound
E.convince
F.discourage
A.impress
B.baffle
C.undermine
D.confound
E.convince
F.discourage