Answer: Technical Writing
Explanation:
Technical writing is used to communicate specific information about a particular subject, craft or occupation. It differs in purpose from other writing forms is so far as it is a writing about a particular subject that requires direction, instruction and explanation.
B. One of your troop members began to cry.
It doesn't explain why he is crying, and is the most suspenseful, but one could argue it was C, because they could have going the wrong direction, but B is the most suspenseful due to the crying and emotion in it.
Hope this helps, even though I just debated aloud.