单项选择题

Required Documents for a Visa
1. A passport valid at least six months after departure date.
2. Two ID photographs.
3. A photocopy of your return ticket.
For a business visa, please attach a letter from your company indicating the reason for travel and an invitation letter from your host.
If you are applying by mail, please send a self-addressed stamped registered envelope for return.
Please allow five business days for processing.
FEE
$50 US
Payment is by cash or money order.
Same-day visa processing is available for an extra $50 US.
VACCINATIONS REQUIRED
none
OPENING HOURS
The Visa Department is open Monday through Friday from I 0:00 a.m. to 2:00 p.m.
How can you obtain a visa in one day

A. By applying in person
B. By paying an additional fee
C. By sending an express mail envelope
D. By submitting an invitation letter