I believe its D since "them" is receiving the action of "taught"
For the group would not a prepositional phrase im pretty sure
All you need to do is pick a topic, find a website you find reliable, and state your reasons why it is a creditable site.
If you need more help let me know. I am happy to help.
Answer: A: Cooked food is at a greater risk of bacterial contamination.
Explanation: The possibility of bacterial growth actually increases after cooking, because the drop in temperature allows bacteria to thrive.
