The underlined word is a complete subject. So, the best option is A.
They excel all others at ship building and sailing.This is what made
them stand out as they built some of the best ships in that period. They were once the neighbors of the Cyclopes. They were
organized and civilized while the Cyclops was not. It is always growing season
in Phaeacia. They were known to grow fruits and vegetables which were
among the most exotic in Greece.
Someone please take note of this and relate the answer to everyone thanks