【题目】If the product is significantly different from ________ described in the ad, you have every right to complain to the local authority.
A. one B. ones
C. that D. those
在线课程【答案】C
【解析】考察指示代词用法。当上文的名词被第二次提到，通常用指示代词that（代指单数名词和不可数名词）或those（代指复数名词）来替代，本句中，用that代指前面提到的the product，为特指，故选C。