Use advance and reasoning in a single sentence?

Read the excerpt from "death by black hole."albert einstein's general theory of relativity, published in 1916, provides the insight to understand the bizarre structureof space and time in a high-gravity environment. later research by the american physicist john a. wheeler, and others, to formulate a vocabulary as well as the mathematical tools to describe and predict what a black hole will do toits surroundings. read the excerpt from "man listening to disc."and i bow deeply to thelonious monkfor figuring out a wayto motorize or whatever-his huge pianoso he could be with us today. these excerpts are similar because both texts

In the sentence above, which verb is the irregular verb? a. laid b. warmed c. removed d. walked

How does the author of finding flight incorporate ideas from the poem hope is the only thing with feathers into her work