I looked all over the Internet, and saw that there is another option that you didn't include, and which is actually the correct answer.
Bays best facilitate the building of ports, not these options.
D. (English) is a German language.
A. B. & C. are Latin Language
A. Right off the bat because the main purpose is the keep a check on the weather, seeing if it's a storm developing or just to collect data and compare with past/ recent data.
