Older television sets had tubes; the newest models, which take less space, are digital television.

A. Simple Sentence
B. Compound-Complex
C. Compound
D. Complex

Adjective clauses  begin with words such as that, when, where, who, whom, whose, which, and why. an essential (or restrictive)  adjective clauseprovides information that is necessary for identifying the word it modifies. so for example*** wrong= i the man gave me direction. example right ( i the man who gave me the  direction.