Answer im like 90% sure that its a
Explanation:
Lawyers help the city and they do this job because the city needs them and they help crimes
During recent research, genetic researchers have isolated the gene that determines the natural times a person sleeps and wakes.
Here's the issues with the sentence:
"During recent research," doesn't match the tense of "genetic researchers have isolated."
"The natural times a person sleeps and wakes" is over explanatory, and should be simplified.
Research is repeated.
Answer: B. Genetic researchers recently isolated the gene that determines a person's natural sleep cycle.
Hope this helps!
It is A i am doing the same test "<span>These packages are for: Mrs. Carty, Miss Cohen, and Mr. Deller."</span>
