Directions (1-6):In the following questions, a sentence is divided into four parts. Choose the part of the sentence which may contain a grammatical error in it. If all the parts of the sentence are grammatically correct and contextually meaningful, choose option “no error” as your answer choice.

Sarah barely managed (A)/ to reaches the station (B)/ just in time before (C)/ the train departed. (D)

The correct option is B.

Step-by-step Explanation:
Let us analyze each part of the given sentence to identify any grammatical errors:
1. Part (A): "Sarah barely managed" - This part is grammatically correct. It contains the subject "Sarah" and the past tense verb "managed" modified by the adverb "barely".
2. Part (B): "to reaches the station" - This part contains a grammatical error. The verb "managed" is followed by a to-infinitive construction. In English grammar, the infinitive marker "to" must be followed by the base (infinitive) form of the verb. Therefore, "reaches" (the third-person singular present form) is incorrect and should be replaced with the base form "reach". The correct phrase is "to reach the station".
3. Part (C): "just in time before" - This part is grammatically correct and contextually appropriate, indicating that she arrived shortly before a specific event.
4. Part (D): "the train departed." - This part is grammatically correct, using the simple past tense verb "departed" which is consistent with the past tense narrative established by "managed".

Thus, the grammatical error lies in part (B) of the sentence.