Which sentence from the passage best shows that Craig may be open to new career options?

"Intrigued, Craig listened intently as they talked about their current advertisement project as well as other projects and experiences they had; they seemed thrilled with their occupations."

"For the rest of the day, Craig couldn't get the world of advertising off his mind."

"Craig, uninterested, continued to water the plants, and as he heard more, parts of their conversation began to seize his attention."

"As soon as he got home, he went online and scoured the Internet, absorbing as much information about advertising as he could get his hands on."