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 get a visa for vietnam online [title] Apply online by filling in the secure online form. [step] You may be asked for the following information: full name, nationality, passport number, date of birth. [title] Select the purpose of your visit, and the type of visa and validity. <sep> (A) [step] You will be able to choose whether to apply in person, over the phone, via email, or at person's residence. [title] Fill out the form and the required information. (B) [title] Fill out an online visa application application. [step] You'll have to provide personal information, such as all the expats' bank account numbers, birth dates and parents' names, and your employer's address. (C) [title] Answer any questions the visa official asks you when he or she sees your visa application. [title] Make sure you are filling out a temporary visa form so you do not have to wait till the next day to apply by mail. (D) [step] Specify the date of your arrival at vietnam as well as the arrival airport. [title] Choose your favorite processing time for the visa [title] Settle the payment (service fee) as per instructions.
A:
D