Q. . . . . . . . . Underground is a very convenient way of getting around London.
✅ Correct Answer: (C)
the
Explanation: Definite article is used with positions, directions, numbers etc. Hence, 'underground' will follow 'the' article.
Explanation by: Mr. Dubey
Definite article is used with positions, directions, numbers etc. Hence, 'underground' will follow 'the' article.