Detailed Instructions: 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".
Q: [header] How to address envelopes to canada [title] Print the name of the recipient. [step] Write the name on the middle front portion of the envelope and be sure to leave plenty of space above and below this line. You can include honorific titles like mr. or mrs., but it is not required. <sep> (A) [substeps] Postal services generally prefer for all addresses to be written in uppercase or block letters. [title] Print any other additional address lines below. (B) [substeps] Important titles may include a colon, backwards, or underline. In british canada, you may include any title. (C) Most titled envelopes will have large letters that are simple to read. If they can be printed on flimsy paper, you have the box. (D) [title] Add the individual's name first. [step] Title the envelope " his or her address, " followed by its full title.
A:
A