Leo Varadkar, who recently tendered his resignation, was the PM of which country ?

A. Ireland 
B. Switzerland
C. Malaysia
D. None of these

Irish Prime Minister Leo Varadkar resigned on Thursday but stayed on as interim leader while the country’s three main parties battle out coalition talks after an inconclusive election.
Varadkar, Ireland’s first openly gay leader, tendered his resignation as Taoiseach, or prime minister, to President Michael Higgins after the first sitting of Ireland’s lower house of Parliament since a February 8 election which radically recast the political landscape.