Which of the Following Is an Example of a Dangling

Multiple Choice

Which of the following is an example of a dangling phrase?

A) Working at full speed every morning, fatigue overtakes me in the afternoon.
B) Working at full speed every morning, I become tired in the afternoon.
C) Because I work at full speed every morning, fatigue overtakes me in the afternoon.
D) Since I work at full speed every morning, I am tired in the afternoon.