Question

your friend is good at english , history & geography however his parents feel he should continue to pursue science and become a doctor . even though he is not very good in science.
- what your friend can do to convince his parents and
- what career option he could pursue

Answer 1

Firstly, he needs to explain to his parents that today's world is a vast ocean of opportunities. Everyone has his own individuality, which needs to be respected by the world. If someone is not god in maths or science, doesn't mean he cannot pursue anything in life. There are other great rare fields of cognition touched by people of the era, which can be pursued by one who is good in the respective field. 
next, coming to the career options, he can either study literature, become a historian, or a geologist, as of a broad classification.

Answer 2

he can talk friendly to his parents that he is not intrested in becoming a doctor
b- he can oppt the career that he want to become