Which answer corrects the shift in verb tense in the sentence?
the violinist listens carefully and imitated her teacher.
a. the violinist listened carefully and had imitated her teacher.
b. the violinist will listen carefully and imitates her teacher.
c. the violinist listened carefully and imitated her teacher.
d. the violinist had listened carefully and imitates her teacher.

What is one advantage of listening to an audio recording as opposed to silently reading a play?

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?

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?