In order to drive safely, you need to

a. good vision
b. to try looking to the side while keeping your head and eyes straight ahead
c. both a and b

The correct answer is option- C. both A and C.  

Explanation:

Driving requires excellent skill to derive properly and safely to avoid any type of miss happening or accident. For safe driving an individual needs to known attentive skills with good vision.

A good vision of an individual is also one of the important features that helps in safe driving as would not miss any signs or signals. The attentive nature includes trying looking sides while driving and keeping your head still and straight.

Thus, the correct answer is option - c.