在职攻硕英语考试

【单选题】 When we have difficulty ______ desired objects or reaching desired goals we experience negative emotions such as grief and anger.
A．at obtaining
B．in obtaining
C．on obtaining
D．with obtaining

网考网参考答案：B
网考网解析：
[注释] have difficulty in doing something是一种句型，其他三个干扰项介词不正确。 查看试题解析出处>>