Which of the following is true of the text in bold?

when little lights in little ports come out

it explicitly describes night at the ports
it explicitly states that the ports are damaged.
it implies the dangers of working at sea.
it implies a relationship has ended.

The correct answer is:  

It explicitly describes night at the ports.  

In Evening, by Victoria Mary Sackville-West, an english poet and novelist born into an old aristocratic family in Kent.we can understand that a description of the night in the port is being made by its reference to the lights that illuminate only at that time of day.