A faux pas—whether in social circles or in private—can be______, as it focuses us on our shortcomings in ways that would otherwise go unnoticed, and helps create self-awareness.

A． embellish : austere
B． depurate : rare
C． vary : conspicuous
D． compress : volatile
E． instruct: awkward

A． cinder : coal
B． clay : china
C． bar: gold
D． mud : deposit
E． porcelain : mosaic