单项选择题
In winter, Veterans Day falls on November 11th to honor all veterans of the US armed forces, and help people recall the end of World War I on that date in 1918. On this very day, veterans’ organizations ___________, and the president customarily places a wreath on the Tomb of the Unknown Soldier in Arlington National Cemetery, which is close to the Pentagon.
A.hold parades
B.hold an English lecture
C.hold a reception
D.hole a Marathon race