What makes Mary Barra a pioneer in the car industry? a) The fact she is focusing on the production of electric cars. b) She was the first student a...

What makes Mary Barra a pioneer in the car industry? a) The fact she is focusing on the production of electric cars. b) She was the first student at Kettering University c) She is the first woman to lead a major automaker, and she is very concerned in associating technology with the environment in a future healthier planet. d) The fact she worked for Pontiac Motors division