The article states:

The cup was called a penny lick. As its name suggests, the penny lick held just a "lick's worth" of ice cream. The small vessel was made of thick glass. No spoons were needed. Customers would lick the glass clean.
Which phrase from the passage helps you understand the meaning of the word vessel?
A.name suggests
B.the cup
C.customers would lick
D.no spoons