Identify the portion that contains a compound predicate: during the 1940s and 1950s, bud abbott and lou costello were a popular comedy team on radio, television, and stage.
a. 1940s and 1950s
b. bud abbott and lou costello
c. radio, television, and stage
d. none

The predicate is the part of the sentence that tells what the subject is all about. A compound predicate consists of two main verbs along with its complements which describes the subject. In the given sentence above, the portion that contains a compound predicate is NONE. There is no compound predicate in the sentence, since the predicate is only "were a popular comedy team on radio, television, and stage." The correct answer would be option D.