The answer to your question is B
The discovery that the narrator makes by dissecting his brain is learning that his thoughts require a constant flow of pressurized air because brain activity slows due to low air pressure.
In "My forbidden face", The fundamentalist Muslims who took power in Afghanistan at the time of the essay were known as The Taliban.
The Sharia is the muslim law, the Afghan Freedom Fighters and the Revolutionary Guard are names of paramilitary organizations.
I would say a hero is someone who stands out from the crowd and exceeds expectations to change the world. A hero is someone who perseveres to help society. During these dark days, for sure, all nurses, doctors, paramedics, firefighters are defined as heroes. They fight to save a life. To save a life that is crucial to its surroundings and community. With all their might, these heroes push and push and push the dark door away from the way to hopefully see the light that we are all waiting for.