Which company has announced to build the longest undersea cable in the world, known as ‘Firmina’?

A. Microsoft
B. Vodafone
C. Apple
D. Google

Explanation:

The Firmina cable, named after Brazilian abolitionist and author Maria Firmina dos Reis, will be the longest cable in the world. It is capable of running entirely from a single power source at one end of the cable if its other power source(s) become temporarily unavailable, Google said in a blog post