In bohr's atomic theory when electron moves from one energy level to another energy level closer to the nucleus:
a. energy is emitted
b. energy is absorbed
c. no change in energy occurs
d. light is emitted
e. more than one of these might occur

According to his theory when electrons jumps to lower shell the light is emitted and light is a form of energy so option a and d both can be correct answer but opition d is better one

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

You can still be friends with each other. you don't have to date since he likes someone else. just stick to being friends for now