d)dependency is correct?

[Win Yu]

On class diagram, a dashed line has a open triangle on one end represent which of?
a) association
b)generalization
c)Refinement
d)dependency
e)composition

[Kevin Yip]

In class diagram:
A dashed line has a open triangle on one end is implementation or realization
A solid line has a open triangle on one end is generalization
A dashed line has an arrow on one end is dependency