Q. . . . . . . . . more you labour, the more you can.
✅ Correct Answer: (C)
the
Explanation: Definite article 'the' is used as an adverb before comparative degree. 'More you labour' is comparative degree.
Explanation by: Mr. Dubey
Definite article 'the' is used as an adverb before comparative degree. 'More you labour' is comparative degree.