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.
In fact, if it hadn't been for his invaluable advice on so many occasions, I wouldn't have achieved anything in life.
remarkable advice
valuable advices
priceless suggestion
No improvement
Correct answer is D
No explanation has been provided for this answer.