In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to use a crock pot [title] Remove your crock pot from the package. [step] Wash the interior ceramic section and the top glass portion with dish soap and warm water. [title] Clear a space on your counter. <sep> (A) [step] Your slow cooker emits heat, so safety is a priority. Make sure there is plenty of room on all sides, including the top, to vent off the heat for the duration of cooking. (B) [step] Set your crock pot aside in a location that gets plenty of ventilation. Never return crock pots to a casing when they're not in use. (C) [step] Remove the crock pot from the package and set it on a clean, uncluttered counter. Set the burner on the lowest setting in a place you can see the crock pot. (D) [step] Make sure to remove the crock pot from the slit. [title] Tie a string from the fabric loop on the crock pot.
A