Quiz: Euler Path Conditions

An undirected connected graph has $4$ nodes with degrees $2$, $3$, $3$, $2$. Which statement is correct?

1. A.An Euler circuit exists because all degrees are at least $2$
2. B.An Euler path exists because exactly $2$ nodes have odd degree
3. C.Neither an Euler path nor circuit exists
4. D.An Euler circuit exists because the total degree is even