(1) your company has worked on some truly iconic campaigns over the past few years. (2) i have always been interested in advertising, and i would welcome the opportunity to learn more about the industry this summer.

which is the best revision of sentence 2?

a. i have always thought that i should work in advertising, and this seems like the perfect summer job for me.
b. i have always wanted to know more about the advertising industry, and i think this is the place for me this summer.
c. i have always been interested in advertising, and this summer, you could teach me a lot more.
d. no change