Question

The quality of the work was very poor and much of it had to be ____done
pre
un
re​

Answer 1

The quality of the work was very poor and much of it had to be redone. (It is a complex sentence).

What is a complex sentence?

• A complex sentence is one that contains at least one dependent clause.
• There are two types of clauses: Dependent clauses and independent clause
• An independent clause can stand alone and a dependent clause cannot stand alone.
• "The quality of the work was very poor (Independent), much of it had to be redone (dependent clause).

Thus, option c is correct.