According to the author the ultimate purpose of study is to learn to ________ .
Choose the correct answer to each of the following questions.
I wish Tom worked as hard as Mary ________ .
A. becoming more and more popular
B. among the deep-rooted traditions
C. The earliest fish and chip shop opened in London during the 1860s.
D. People in different places may add peas, vinegar, lemon, or ketchup.