Which of the Following Students Is Probably Most Efficient in His

Which of the following students is probably most efficient in his multitasking?

A) Kobe is listening to his favourite country songs and memorizing the conversation he needs to recite in Spanish class.
B) Darren is driving to football practice and conversing with his dad about the budget for his birthday party.
C) Owen is listening to Mozart and reading his literature assignment.
D) Rashawn is texting his girlfriend and driving to work after school.