Direction: In this question, there are two statements that can be combined into a single statement in a number of different ways without changing their meaning. Below them are given three probable starters (A), (B), and (C) of such a combined sentence. One, two, three, or none of them may be correct. Decide upon which is/are correct, if any, and mark the option which denotes your answer. If none of the three starters is suitable mark none as your answer.

In 1960, Jacques Piccard, a Swiss Oceanographer, and Don Walsh reached the floor of the Mariana Trench, the Ocean's deepest point, of the Pacific Island of Guam. In comparison to Mount Everest, which rises 8,848 metres, it is nearly 11,000 metres lower.

A. While in 1980, Jacques...

B. In comparison to Don Walsh...

C. A Swiss Oceanographer Jacques Piccard...