Answer:
D
Explanation:
It describes how they use 3D printers and concrete to make a house quickly.
Sentences 3 and 6 have errors.
In sentence 3, the error is the pronoun HE following Sally Ride. This is a mistake because Sally Ride is a woman, and therefore the pronoun SHE should be used. In sentence 6, the error is the verb IS. This is a mistake because the noun options is plural, and therefore the verb ARE has to be used instead because it is the plural form of the verb to be.
It is A. I have done this question on a test before
Well, I dk what article it is, but it would always be the main idea of the article. If you already have that then try writing down some supporting ideas that go with the main idea of the text. Things like background characters and unimportant things that don’t have anything to do with the article shouldn’t be included in the summary.