How can extremism be negative?

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?

In twelve years a slave, northup realizes he cannot trust anyone after his kidnapping except hamilton and brown god the physician the women who gave him drink

Which most accurately analyzes this section? the author's structural choices foreshadow continued violent outbursts. the author's structural choices in this section create tension and urgency. the author's structural choices in this section provide the tale's conclusion d) the author's structural choices in this section create a sense of loving affection.