Amy Is Managing a Google AdWords Campaign for Her Business

Amy is managing a Google AdWords campaign for her business. After three months of using Google AdWords Amy decides that she needs to improve her campaign by optimizing her ad. If Amy's immediate goal to increase her clickthrough rate which one of the following optimization strategies is most appropriate?

A) Amy should add relevant keywords and site placements to her ad groups while making ad text more compelling.
B) Amy should attract more clicks by refining her ads, and eliminate extra impressions by using negative keywords.
C) Amy should increase her advertising budget
D) Amy should focus on her Website. Her landing page and entire Website is must be set up to let users find the specific thing being promoted in her ad.