A.
They are more reliable.
B.
They offer better value.
C.
They are more luxurious.
D.
They sound better.
正确答案:B
译文
★★★★★
I researched a bunch of options, and these have the best price-to-quality ratio. Adequate sound, comfortable enough for long library sessions, easy-to-use Bluetooth connectivity, and an 8-hour battery! If you’re ok giving up some premium features, these are great for students on a shoestring.