I was asking them what kind of shampoo they bought and if they preferred brand X to brand Y.
我问他们买什么样的洗发水，相比品牌Y他们是不是更喜欢品牌X。
华研专八听力
I was asking them what kind of shampoo they'd bought and if they preferred brand X to brand Y.
我问他们买了什么样的洗发水，他们是否更喜欢X品牌而不是Y品牌。
专八听力800题
I was asking them what kind of shampoo they'd bought and if they preferred brand X to brand Y. Then I'd make up a report and the agency would use the information in their advertising campaigns.
我问他们买了哪种洗发水，以及他们是否更喜欢 X 品牌而不是 Y 品牌。然后我会编写一份报告，该机构会在广告活动中使用这些信息。
英语百科
Brand X
Brand X was a jazz fusion band active between 1975–1980 and 1992–1999. Noted members included John Goodsall (guitar), Percy Jones (bass), Robin Lumley (keyboards), Kenwood Dennard (drums) and Phil Collins (drums). Goodsall and Jones were the sole constant members throughout the band's existence.