Which statement best compares the influence of fundraising and advertising on polling during a campaign

fundraising affects candidate polling negatively, while advertising affects candidate polling positively
fundraising shapes public opinion in the early stages of a campaign, while advertising shapes opinions during the last few weeks before the election
only advertising can shape the opinions expressed by voters in polling
both can generate positive media coverage for a candidate which an in turn generate positive polling results.

both can generate positive media coverage for a candidate which an in turn generate positive polling results.