Q: 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 buy kosher food [title] Look for the ou label. [step] The ou label, which looks like a u within a o-shaped circle, is one of the most common kosher certification labels in the united states and abroad. Ou stands for the union of orthodox jewish congregations of america, commonly known as the orthodox union. <sep> (A) The ou usually only comes to america for the heritage of kosher meals. [title] Try going vegetarian for high protein but not instant meal choices. (B) This label stands for " kosher, " which means kosher meat is kosher treated to a certain degree. [substeps] The ou label is usually used for porridge dishes and other dishes that someone may want for breakfast but cannot stomach. (C) The ou label can only be put on kosher foods if those foods receive written permission from the orthodox union kosher division. [substeps] The ou label has a separate kosher for passover certification, which is published in their annual kosher directory passover edition. (D) Both ou and ou are domains of the us government, offering according to on-the-job conditions and general regulations. [substeps] Many orthodox christians wear their kosher goo-proof lucky money cap on the forehead.
A:
C