We appreciate your suggestion _____ establish agency relationshi

We appreciate your suggestion _____ establish agency relationship between our two banks.
A、that
B、for
C、we
D、to
【正确答案】：D
【题目解析】：suggestion意为“建议”，常与to连用。句意：我们感谢你方在我们两家银行之间建立代理关系的建议。