Explanation:

- Statement A: "It is high time" is a common phrase that implies something should be done soon.

- Statement B: "You bought this book" is in the past simple tense, which is correct. The phrase "It's high time" suggests a past action due to its idiomatic structure.

- Statement C: "From the market" correctly identifies the location or source from where the book should be bought.

- Statement D: "No error" indicates that none of the parts contain any grammatical mistakes.

- Option 1, a: Refers to "It is high time." This is correct.

- Option 2, b: Refers to "You bought this book." This is correct with past tense.

- Option 3, c: Refers to "From the market." This is also correct.

- Option 4, d: Indicates there's no error in the sentence.

Correct Answer: Option 4, D