B. She was chosen to be an astronaut
"Were" and "are" must follow plural pronoun (eg. you, we, they )
"<span>How many times greater is the acidity of hydrochloric acid than vinegar?" is the best option from the list, since this is what the chapter is primarily dealing with. </span>
D.the newscasters on channel 20 seems very friendly
Though they hated each other, Gatsby and Tom were after the same thing...Daisy. and they were both willing to do anything to win her over
A theme can be inferred if it is a recurring element in a story that is being narrated.
For example, if a text talks constantly about getting revenge, there is a very good chance that this is the theme or one of the themes of the text and this would help advance the plot.
<h3>What is a Theme?</h3>
This refers to the central message of a text that an author wants to convey to his readers.
Hence, we can see that your question is incomplete because you did not include the text, so a general overview was given to help you better understand the concept.
Read more about themes here:
brainly.com/question/11600913
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