Which sentence has a compound verb? ( a) your brain you to take a test. (b) your brain has 100 billion nerve cells, which are called neurons. (c) your brain, a very complicated organ, has many functions. (d) your complex brain thinks and controls your breathing at the same time.

A) Your brain helps you to take a test.

Explanation: a compound verb is  is a verb that is made up of multiple words. The compound verb can take on such forms as:  a prepositional verb  (for example: believe in, ask for, etc), a phrasal verb  (like: take down, work on, etc), a verb with auxiliaries  (like: are walking, will eat, etc), and a compound single-word verb (such as: double-click, color-code, etc). From the given options, the sentence that has a compound verb is option A, because the verb "help to take" is made up of multiple words.

it is the background information on the characters and setting explained at the beginning of the story. the exposition will often have information about events that happened before the story began. the exposition is often the very first part of the plot.