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 call latvia [title] Dial your country's exit code. [step] The exit code differs from country to country, so look your code up online if you're unsure what it is. You need to dial this code in order to begin an international call. <sep> (A) The most common exit codes are 011 and 00. [substeps] The exit code for the u.s. (B) [substeps] Some countries will not provide exit codes. If you'll be calling latvia international, they can let you know to call all of the countries and find the area code. (C) [substeps] For example, italy has the exit code gb 0600. Australia does not have a country code, but you can look it up in any language. (D) [substeps] If you're calling from a landline, dial sankme. If you are calling from an actual landline phone, dial efttpnet.
A:
A