Answer:
displacement is

or

displacement is the shortest distance from starting point to destination .
Syntax is an author's sentence structure. It is how things are phrased, and how correctly the sentence is formed. Broken grammar rules and disjointed wording would contribute to bad syntax, like if I was to say: "Grammar that's broke is bad syntax and wording out of order is too, bad syntax I were to mean." < -- THAT is atrocious. It's really bad. Syntax is what we say when we refer to the making of a sentence. There are all kinds of ideas, and the way we put them in order in a sentence matters. Good syntax leads to cleanly written and clearly understandable ideas.
The answer to the question above is the last option: She refuses to speak to anyone. <span>“I Know Why the Caged Bird Sings” is actually a book, specifically an autobiography, that was written by Maya Angelou and this is based on the authors real encounters in life. From the passage above, what Marguerite does when she feels the oppression of the caged bird is that she does not talk to anybody. This is because she knows the feeling of what a caged bird feels like. Hope this helps.</span>