---Is Peter there?- please. I'll see if I can find him for you. A. Hold upB. Hold onC.

问题补充：

---Is Peter there?

---, please. Ill see if I can find him for you.

A. Hold up

B. Hold on

C. Hold out

D. Hold off

答案：

A. Hold up

(答案→)B. Hold on

C. Hold out

D. Hold off

解析：A. Hold up举起，延误，耽搁，B. Hold on坚持，别挂断，C. Hold out伸出，维持，D. Hold off

拖延，抵抗， 抗拒，使…疏远，句意：--皮特在吗？ --请别挂断，我帮你找他。选B。