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
I think you forgot to put the picture on?
The answer is an appositive phrase. An appositive is an extra piece of detail or information describing in this case "lemon cake" and which the sentence still makes sense without. It still makes sense to say "<span>For my birthday, we baked a lemon cake." The "special treat" adds additional information about the "lemon cake."</span>