Blue Book p 910 #7

Manypencils
Wed, 18 Aug 2010 19:46:00 +0000

Could someone help me with Practice Test 9, Section 6, #7, on Page 910?

The part of the passage that matters is:

“There is Flaubert in his long white shirt, his shaved head topped by a red tarboosh, settled into the cool shade of an ancient temple, reading poetry, and seeming oh-so-exquisitely bored.”

Ques:The characterization of Flaubert in the last sentence chiefly serves to suggest that…
Ans: (A)“Flaubert had an affected manner.”

My confusion is:

What does the phrase “oh so exquisitely” mean? It seems to be an idiom, but I am not sure.

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