D, I believe, since the others do not make sense if you read them.
Answer:
The answer is Both the aquarium and the monument are architectural structures that have been destroyed or almost destroyed, and are symbols for a decent past.
Explanation:
"For the union dead" is a book written by Robert Lowell and was published by Farrar, Straus, and Giroux in 1964 and it was Lowell 6th book. Colonel Shaw was an American officer who fought during the American civil war for the Union Army. He was an abolitionist and commended the first all-black regiment.
Lowell wrote the poem For the Union dead with his early days reminisces of an Old Boston Aquarium built near Colonel Shaw figurine to enhance its beauty. In his book, he talked about how men fought for equality and American dreams during the ancient days but their sacrifices have faded away since capitalism had taken over American society.
Answer:
The current understanding is that those who are learning the language within a native environment are less likely to fossilize, and at a minimum have a higher threshold at which they fossilize.
We can prevent the formation of fossilization effectively.
B summarizes the entire article
