given the only two choices it must be a consumer
No. It's a primary consumer. The producer is the grass and leaves it eats.
secondary consumer
Yes such as Water voles vole, Bank vole, Field vole, Common vole, Southern vole, European, Pine vole, Tatra voleand probably more.
As long as you don't shoot it with a shotgun:P
no
consumer
Yes. Voles are mammals, therefore pine voles are also mammals. They are related to muskrats and lemmings but closely resemble mice.
It is a consumer. It eats grass
primary
It is a primary consumer.
a primary