Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words._x005F_x000D_ knot: Watt: Fathom

• A. The terms are used by sailors.
• B. The terms are used for installing electricity.
• C. The terms are connected with rope.
• D. They are units of measurement.