Question

other workers were now assembling and a man in a burgundy jacket appeared at his elbow. source: counting by 7s in the sentence above, assembling has the same or almost the same meaning as: leaving working speaking meeting

Explanation:

"Assembling" in this context implies workers coming together or gathering for work - related activities. "Working" is the closest in meaning as it relates to the general activity of the workers. "Leaving" is the opposite, "speaking" and "meeting" are more specific activities not equivalent to the general sense of what the workers are doing here.

Answer:

B. working