An antagonist is a character, group of characters, institution or concept that stands in or represents opposition against which the protagonist(s) must contend. In other words, an antagonist is a person or a group of people who opposes a protagonist.
A- Complex. When a sentence contains the word "when," it is complex. Hope this helps.
D-
B- comedies
C- religious themes
D- modern dramas such as films are not structured in the manner of stage plays
C- marriage
A- usually features an extraordinary hero