I believe that A and B are correct.
To my mind the correct answer is (A).
"Many Americans travel to Costa Rica during the winter months, the peak season, because of the warmer temperatures found at many of Costa Rica’s tropical beaches and lush rain forests. "
In this sentence, the author decides to add additional information through an APPOSITIVE PHRASE. If the writer decides to delete "the peak season" from the sentence, the meaning of the sentence will remain.
I sharpened my skills under the mentorship of my coach.
You need a noun to complete this sentence, and mentorship is the only noun here - the rest of the words are adjectives.
Answer:
I was waiting for you, but you did not come.
It was already late, so she went back home.
Explanation:
When two or more phrases are combined together to form one complete sentence, it can be termed as compound phrases. Compound phrases are combined using words like and, for, so, but, yet, etc.
A compound sentence containing a nominative case pronoun can be "I was waiting for you, but you did not come".
A compound sentence containing an objective case pronoun can be "It was already late, so she went back home".
It's human, human is always on top of the food chain.
Good Luck.
