考博考试

【单选题】I said that I could not commit myself as my academic time was not yet finished, but I would like to be at their ______ later.
A．disposal
B．guidance
C．assistance
D．supervision
网考网参考答案：A
网考网解析：
at one's disposal是固定搭配，“任凭他人调遣、使用”；assistance一般用于be of assistance to someone“帮助某人”；guidance用于under one's guidance“在某人的指导下”；supervision用于under the supervision of“在……监督下”。根据句意应选A。 查看试题解析出处>>