The correct answer is A. Rounding the southern tip of Africa was seen as a possible sea route to India.
Step-by-step explanation
In the fifteenth century, Portugal was focused on knowing the African coast with the objective of developing a commercial route to India and have access to its riches through a reliable maritime route for them. The first Portuguese that arrived at the Cape of Good Hope was Bartolome Diaz in 1488. After that on July 8, 1497, Vasco Da Gama left with an expedition consisting of four boats in which about 170 men went, this expedition lasted a little more than ten months in which they surrounded the southern tip of Africa and arrived in India. May 20, 1498. So, the correct answer is A. Rounding the southern tip of Africa was seen as a possible sea route to India.