Although Only 1 Out of 5 Ships and 18 Out

Multiple Choice

Although only 1 out of 5 ships and 18 out of 265 sailors returned from Magellan's voyage,it proved that:

A) the world was too large for a western sea route to Asia to be economically feasible.
B) a western sea route to Asia was economically feasible.
C) ships could easily be dragged across the Isthmus of Panama.
D) South America was easy to sail around.
E) Magellan, who survived the voyage, was an excellent navigator.