Sentence Correction

Michelangelo, it is believed, had made his sculpture of David using an eight-inch plaster model that was recently discovered after being lost for nearly 300 years.

A) Michelangelo, it is believed, had made his sculpture of David using an eight-inch plaster model that was recently discovered after being

B) An eight-inch plaster model is believed to have been used by Michelangelo for his sculpture of David and recently discovered after it was

C) An eight-inch plaster model believed to have been used by Michelangelo for his sculpture of David has been discovered after having been

D) It is believed that an eight-inch plaster model that Michelangelo used for his sculpture of David and has recently been discovered after it was

E) It is believed that Michelangelo used an eight-inch plaster model for his sculpture of David, and it was recently discovered after having been