Which sentence belongs to the conclusion of a memoir?

a. i would stand by the pool until my coach coaxed me to jump in.

b. i would practice kicking in the shallow water by holding on to the side of the pool.

c. i was finally able to coordinate the movement of my legs with my arms perfectly.

d. learning how to swim me get over my fear of water and made me a more confident person.

D.Learning how to swim helped me get over my fear of water and made me a more confident person.

Explanation:

A memoir are basically the stories of the life of someone, by telling them they can see their lifes, the events that broguth them where they are now, and they can come up with conclusions on how a certain event helped them grow or overcome things in life, in this case as he writes learning how to swim helped him to get over the fear of water and made him a more confident person, the other options wont come with a learning or an improvement on the character of the author.

throughout history, economists have always thought  ..

if this is referring to star wars, han shot first.