勘察合同采用定金担保，发包人向勘察人支付预计勘察费总额的（）作为定金。
A.10%
B.15%
C.20%
D.25%
参考答案：A
--- Why did you leave your city last year?
--- Because I _ __ a new job in another city.
A. offered B. am offered C. was offered
尹志平是全真教道人（）的徒弟
