On being asked Dr Hawking says, "I try and lead normal a life as possible.
a) On being asked Dr Hawking says that he tried and leaded as normal a life as possible.
b) On being asked Dr Hawking says that he tries and leads as normal a life as possible.
c) On being asked Dr Hawking said that he will try and lead as normal a life as possible.
d) On being asked Dr Hawking said that he has been trying and leading as normal a life as possible.