The Following Excerpt Is an Example of Which Pattern of Arrangement

Multiple Choice

The following excerpt is an example of which pattern of arrangement? Leaving a wound untreated can be dangerous. The wound may become contaminated with dirt and germs, thus requiring more healing time. In some cases, the wound may grow infected or even gangrenous, requiring much more treatment at a hospital.
Infections can be life threatening.

A) cause and effect
B) better and worse
C) problem/needs/solution
D) If . . . then