เฉลยข้อสอบ Google AdWords Search Network – If you want to prioritize downloads of your mobile app instead of visits to your mobile site, you should

If you want to prioritize downloads of your mobile app instead of visits to your mobile site,
you should:
a. include the word “install” in the ad text {ไม่น่าใช่}
b. add a sitelink extension
c. add a call extension
d. run an app install ad