Read the paragraph below and answer the questions that follow.
(1) Both a cold and the flu can make you miserable, but they are different in several ways. (2) Experts say a cold will go away by itself. (3) However, the flu can lead to pneumonia and other serious or even deadly problems. (4) A cold usually comes on gradually, accompanied by little or no fever. (5) In contrast, the flu comes on suddenly, and its fever can spike as high as 104 degrees and linger for three or four days. (6) Someone with a cold might experience mild body aches and fatigue, but the flu often brings severe body aches, deep fatigue, chills, and a major headache. (7) In general, a cold is wet, with much congestion, a runny nose, and even runny eyes. (8) The flu, on the other hand, is far drier, marked by a dry cough.
What two things are being compared and/or contrasted?

A) the flu and pneumonia
B) a cold and the flu
C) body aches and fatigue

Select the letter of the sentence that is correctly punctuated with commas. Which sentence is correctly punctuated?

A) My sister Lucia owns the largest hardware store in town.
B) My sister, Lucia owns the largest hardware store in town.
C) My sister Lucia, owns the largest hardware store, in town.