Question

Which of the following sentences contains a compound predicate? 

A. She placed the shells in a plastic bag while he dried himself off.B. She raced along the path to beat him to the beach.C. While he swam, she collected shells.D. She washed the shells and dried them in the sun.

Answer 1

D. she washed the shells and dried them in the sun
because there are two verbs and they are linked to the same subject (she)