Which of the Following Would NOT Be an Appropriate Topic

Which of the following would NOT be an appropriate topic for a conceptual literature review?

A) examining the results of relevant studies to determine the extent to which attitudes can predict behavior
B) collating information from existing theories and empirical research to develop a new theory about anxiety
C) identifying problems or weaknesses in existing research testing Sternberg's Triangular Theory of Love
D) examining the literature on Baddeley's model of working memory to evaluate the validity of the theory