Direction: In the given question a sentence is divided into five parts out of which the last part is correct. Out of the remaining four, there are errors in three parts. Choose the part that doesn't have an error. If all the four parts are correct, mark option 5 i.e. All are correct as the answer.

Due to this surge on collectability (A) many nefarious companies (B) regularly flood the market by well-made (C) replica, which are generally (D) worth less than authentic models.