Final answer:
Sarah Palin's 2008 Vice Presidential run is best described as having high media visibility but accompanied by significant doubts about her political abilities, which contributed to the McCain campaign's dificulties in attracting moderate voters and ultimately led to their loss in the presidential election. Therefore, the correct option is A.
Step-by-step explanation:
Sarah Palin's Vice Presidential run in 2008 is best described as A) High media visibility, but questions about her political abilities. Palin was chosen as John McCain's running mate for the presidential election in 2008. Her selection was initially seen as a bold move because Palin was a young and relatively inexperienced governor of Alaska. This contrasted with McCain's age and experience, potentially offering a balance to the ticket. However, the campaign did not succeed in clearing doubts about her foreign policy knowledge and political preparedness, which were brought to light during a series of media interviews.
Palin's persona garnered support from the far-right of the Republican Party, including the Tea Party and evangelicals. However, she also alienated many moderates. In contrast to the hope and change narrative of the Obama campaign, Palin's polemics and accusatory campaign rhetoric distanced moderate voters. Furthermore, the campaign suffered from the perception of stirring negative sentiments among voters, failing to address criticisms effectively. Ultimately, McCain and Palin lost the election, and Obama made history by winning the presidency.