Complete the dialogue.

Tim : What time is your train ?
Jane : ____________.

Answer: B. At 5 pm

The correct answer is B. At 5 pm.
"At" is the correct preposition used for a specific clock time.
"On" (A) is used for days and dates (e.g., on Monday).
"In" (C) is used for months, years, or long periods (e.g., in the morning).
"Over" (D) is not used to state a specific time.

Answering after opening this box earns no Practice Points.