Identify the sentence that expresses too many unrelated ideas at a time.
 O A. Ruby picked the dirt from underneath her fingernails, and military
 commanders ordered more troops to the front.
 O B. Ruby picked the dirt and grime from underneath her fingernails.
 O C. Ruby picked the dirt from underneath her fingernails while
 whistling her favorite tune.
 D. None of the sentences above show too many unrelated ideas.