[单选题]They are so diligent in their study that they ______ their sleep and meals.

A
look down upon
B
neglect
C
paid attention to
D
gratify
正确答案:B
题目解析
本题考查词组和动词词义辨析。A.look down upon:看不起;B.neglect:忽视,忽略;C.pay attention to:注意,留心;D.gratify:使满足,使高兴。根据题意,“他们是如此勤奋地学习以至于他们都忽略了睡觉和吃饭。"B最符合题意。答案为B。
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