Which is the right way to capitalize the words in this sentence?

do you remember taking intro to physics during our first year at yale?

select one:
a. do you remember taking intro to physics during our first year at yale?
b. do you remember taking intro to physics during our first year at yale?
c. no changes--the sentence is perfect.
d. do you remember taking intro to physics during our first year at yale?

the answer is b

Explanation:

the first word, in this case "do", has to be capitalized. "yale" should be written with capital y too, because it is a name.

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