That .....................
Explanation:
A modifier is considered dangling when the sentence isn't clear about what is being modified. For example, "The big" doesn't make sense without telling what is big which leaves "big" as a dangling modifier; but, "the big dog" is a complete phrase.
Answer:
Every author holds opinions that affect his or her discussion of an issue, opinions that you as a reader must try to recognize and understand. ... Such judgments reflect an author's bias or preference for one side of an issue over another.