In the question given below, a part of the sentence is in bold and italicised. Below are given alternatives to the bold and italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose option 'D' as the answer.
The more they earn, more they spend.
More they earn, more they spend
More they earn, the more they spend
The more they earn, the more they spend
No improvement
Correct answer is C
No explanation has been provided for this answer.