What is the effect of the metaphor in these lines from a poem?

Your mind and you are our Sargasso Sea, London has swept about you this score years And bright ships left you this or that in fee: Ideas, old gossip, oddments of all things, Strange spars of knowledge and dimmed wares of price.
(from "Portrait d'Une Femme" by Ezra Pound)
It creates a mysterious impression of the subject.
It creates a straightforward impression of the subject.
It creates a plaintive tone.
It creates an exultant tone.

Question

What is the effect of the metaphor in these lines from a poem?

Your mind and you are our Sargasso Sea, London has swept about you this score years And bright ships left you this or that in fee: Ideas, old gossip, oddments of all things, Strange spars of knowledge and dimmed wares of price.
(from "Portrait d'Une Femme" by Ezra Pound)
It creates a mysterious impression of the subject.
It creates a straightforward impression of the subject.
It creates a plaintive tone.
It creates an exultant tone.

anonymous · Answer

so you think it could be A?