Answer:
B. The Mississippi River is not as beautiful as Twain remembered as a child.
Explanation:
Twain was a steamboat pilot. He learned about the technical aspects of a river. When he was a child he was really amazed with the beauty of the river but as time went on the river became less attractive and beautiful. When he became the pilot he losses value of beauty of the river to him.
The first choice; Thurber disagrees with the decision
Pre- is prefix that means before or previous to, therefore "precooked" means it is already cooked.