We are ready to _______ a leasing agreement for 10 photocopiers.

We are ready to _______ a leasing agreement for 10 photocopiers.
A、enter into
B、signing
C、agree to
D、engage
【正确答案】：A
【题目解析】：A:开始；订立（协议） B:签名  C:同意  D:参与  
句意：我们准备签订一份10台复印机的租赁协议。