Answer:
A. The URL displaying your website address.
Explanation:
There are mainly three components of Google Search text ad which are as follows
1. Headline: In this, you are writing up to three headlines in which each headline have a maximum of 30 characters. It would be divided through Vertical pipeline
2. Description: In this, you can describe the product and services you are offering. It also involves a call to action like for shopping it would be a shop now.
3. URL: URL stands for uniform resource locator. This link shows the address of the website and it usually reflects in green color