According to Google data, 70% of mobile searchers who’ve recently made a purchase have:
- visited a business’s website from the search results page
- clicked to call a business from the search results page
- called a similar business from their phone
- saved a business as a contact on their phone
The correct answer for the above question is:
Here you can read the explanation about the Call ads: https://support.google.com/google-ads/answer/6341403?hl=en