Which sentence from the passage is the best evidence that Craig is considering a career change?

“For his entire existence, Craig had been helping out his family in the hotel they owned.”

“For now, he was in charge of cleaning and other simple tasks, but as his hours increased, he would obtain more responsibility and be placed in higher positions.”

"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."

"After Craig rambled for several minutes about the various aspects of what people do in advertising, Maya stopped him."