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Question 1:
The caller identified himself to the shift supervisor as a potential investor. He wanted to know if the company invested their cash flow in*^*stocks, bonds, or foreign currency transaction schemes. He replied, "Those questions are unfortunately out of my ........ I can contact*^*someone higher up and have them call you back as soon as they are able. Is that acceptable to you?"
A. jurisdiction
B. expertise
C. sphere of influence
D. league

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English Slang Idioms (149) | C1 – Advanced