Which of the following automatic targeting options would show your ad to shoppers who view the detail pages of products similar to yours?

The correct answer is substitutes. This automatic targeting option specifically displays your ad to shoppers who are viewing product detail pages for items that are similar to yours. This strategy aims to capture demand from customers actively considering alternatives to your product. Loose match and close match are automatic targeting options that broaden or narrow the audience based on keyword relevance to your product, not based on similar product detail page views. Complements targets shoppers who view products that are typically purchased alongside yours, rather than as alternatives.