______ nation announced one-month free visa on arrival to foreign nationals from nearly 50 nations ?

a) Sri Lanka
b) Bangladesh
c) Myanmar
d) Maldives

Sri Lanka announced on Wednesday that it will give a one-month free visa on arrival to visitors from nearly 50 countries. The move is a part of its latest efforts to revive its tourism industry, which received a major hit after the Easter Sunday terror attacks that killed 263 people.