because people often put thier extra coins in clay jars, they called the jars pygg banks or pyggy bank. a}complex b)compound c}simple d}run on i thinks its compound

No. It's a complex sentence because it has an independent clause and a dependent clause.

Dependent clause:
Because people often put thier extra coins in clay jars,

Independent clause:
they called the jars pygg banks or pyggy bank.