My mom was convinced that he was coming back , but I was n't so sure . I gripped the steering wheel at this thought . " Yeah , hey , I ' m on the highway now . I should go before I take out too many vehicles . " " Wait !

Q with options: Give answer the following question using evidence from the above passage: What is the narrator doing in the described scene ?
Pick from:
(a). They 're becoming a mom .
(b). They are driving a car .
(c). They 're selling vehicles .
(d). They are coming back .
(b).