Answer:
A) The driver would have gotten into a car accident if he had been talking on the phone.
B) If the lights are off, there is nobody home.
C) He must be an educated person if he has subscribed 'The Hathmandu Post'
Human being, because a human being walks on all fours in early life, on two legs as an adult and with a walking stick in old age.
I hope this helps you.
Cybernaut. (A person who uses Internet a lot).
Letter C. It is vital that schools offer extracurricular activities for students.