37.

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

Here, the word order of item A is correct in the expression "a waiter serves hot food and walks through the carriage".

Item B: The mistake is to use parallel sentences to express, which is not concise enough.

Item C: The logical subject of the fault is hot meals.

Item D: The error is separated by a comma between came through and served, and the sentence structure is wrong.