单选题Just as cows look bemused and detached as they chew their cuds, so Luisa had an air of ______ as she chewed gum for hours in class.A entertainmentB studiousnessC distractionD angstE resoluteness
题目
单选题
Just as cows look bemused and detached as they chew their cuds, so Luisa had an air of ______ as she chewed gum for hours in class.
A
entertainment
B
studiousness
C
distraction
D
angst
E
resoluteness