In view of the fact that his enemies knew him as cheerful, his allies exhorted him, as a matter of self-preservation, to______himself as taciturn.

A． symbiotic … destruction of
B． antagonistic … amelioration of
C． trustworthy … exploitation of
D． uneasy … annihilation of
E． parasitic … indifference to

A． prejudice : view
B． libel : essay
C． deviation : route
D． periphery : presumption
E． implicitness : definition