Question

name a line (just the letters)

Explanation:

Step1: Identify lines in the figure

Lines are straight - extending infinitely in both directions. In the given figure, we can see lines like $\overleftrightarrow{AC}$, $\overleftrightarrow{ED}$ etc.

Answer:

$\overleftrightarrow{AC}$ (other valid answers could be $\overleftrightarrow{ED}$ etc.)