Write the Set as Indicated $\{ x \in N \mid x \leq 39$

Multiple Choice

Write the set as indicated.
-Write the odd natural numbers less than 39 using set-builder notation.

A) $\{ x \in N \mid x \leq 39$ and $x$ is odd $\}$
B) $\{ x \in N \mid x \leq 37$ and $x$ is odd $\}$
C) $\{ x \in N \mid x < 38 \}$
D) $\{ x \in N k < 39 \}$