If this product does not give you plete satisfaction, please return it to the manufacturer, stating when it .
A. is purchased
B. will be purchased
C. purchases
D. has purchased
网友回答
(答案→)A. is purchased
B. will be purchased
C. purchases
D. has purchased
解析：答案：A 考查时态和语态。句意：如果你对产品不完全满意，请退回给生产商，并注明购买的时间。purchase和it构成动宾关系，故应用被动语态。此处说的是一般性情况，故用一般现在时。