We wish to extend our warm welcome to your desire to _______ wit

We wish to extend our warm welcome to your desire to _______ with us.
A、open into trade relations
B、enter a direct business relation
C、establish business relations
D、build up business connection
【正确答案】：C
【题目解析】：establish business relations建立业务关系
句意：对于贵方希望与我方建立业务关系，我们表示热烈欢迎。