Which is the topic sentence of the following paragraph? There are four people in my family. The family consists of my father, my mother, my younger sister and me. My sister is younger than me by two years. We go to school together and return together by the school bus. I am studying in class ninth and she is the student of class seventh. On return from the school, we play together. I have a pet dog. My father is working as a janitor. My mother is a housewife and looks after the household. She remains busy throughout the day. She helps me and my sister in completing our homework. Pretty soon we will be adding another member because my mom is pregnant.
Question 20 options:

a)

There are four people in my family.

b)

My sister is younger than me by two years.

c)

I have a pet dog.

d)

My father is working as a janitor.

Stone, two or three feet thick, the door of wood and iron, a foot thick, and the iron grating which strained the light, i could not being struck with the foolishness of that institution which treated me as if i were mere flesh and blood and bones, to be locked up. i wondered that it should have concluded at length that this was the best use it could put me to, and had never thought to avail itself of my services in some way. i saw that, if there was a wall of stone between me and my townsmen, there was a still more difficult one to climb or break through before they could get to be as free as i was. i did not for a moment feel confined, and the walls seemed a great waste of stone and mortar. i felt as if i alone of all my townsmen had paid my tax. — “civil disobedience,” henry david thoreau based on this passage, how did thoreau feel about his confinement?

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