__________ plus five is sixteen.[ ]

A. Eleven         

B. Twelve           

C. Thirteen

Lee Arm Company collected the following amounts for subscriptions to the magazine it publishes during the past year:（）

A．Date

B．Amount Collected

C．Subscription

D．April 1

E．$ 60000

F．one year

G．July 1

H．$30000

I．two years

J．October 1

K．$36000

L．three years