Answer: The sea was like a rippling blanket of brochure-blue. Squabbling seagulls flew overhead, harassing the beachgoers in their endless hunger. Gannets were dive-bombing the stretched surface of the sea far out from shore. The horizon was edged with a silver tint and a cormorant was flying into that place where sun and water meet. His wings were a blur of motion and he soon faded from sight. The opera of the sea washed over me and the wave-music was welcome.
The underlined words are a metaphor as they compare Fredo to a creature without using like or as.
I believe it may be c,because interior monologue is a character's inner thoughts.
