to Ads with overall lower rating are being watched by males between 19 to 34 age group and thus advertisements are expensive. Thus ads between sporting events are more expensive.
In a way it assumes males between age group 19 to 34 watch sport events thus leading to expensive ads.
Lets analyze options:
(A) Advertisers have done little research into the typical consumer and are not using their advertising dollars wisely.
That is not the case otherwise why some events have more expensive ads. Eliminate.
(B) Sports programs have higher overall ratings than prime time network programs.
The statement is contrary as lower overall rating have expensive ads, and sport programs have expensive ads. Eliminate.
(C) Advertisers believe males between the ages of 19 and 34 are more likely to be influenced by advertisers than are other categories of viewers.
This can be true and this is why advertisements of lower overall ratings including sport programs are more expensive. Keep this option.
(D) Advertising executives prefer sports programs and assume that other Americans do as well.
There is no assumption for other Americans executives. Eliminate.
(E) Ads that run during the biggest sporting events are the most expensive of all ads.
This can't be inferred that ads in the biggest sporting events will be most expensive. Eliminate.
Correct answer should be C.