"He was badly injured in a car accident." This sentence is:

Explanation

The correct answer is simple.A simple sentence is a sentence that has only one independent clause, meaning it expresses a single thought or idea. The sentence "He was badly injured in a car accident" has only one clause, with a single subject (He) and a single predicate (was badly injured in a car accident).There are no dependent clauses or multiple independent clauses, which would make it a complex, compound, or compound-complex sentence.