What figure shows a line of reflectional symmetry for the letter t plz

Option A is correct.

Explanation:

Reflectional symmetry states that a  type of symmetry where one half is the reflection of the other half

or in other words Line of reflectional symmetry creates two congruent figures that are mirror images of each other.

Since,

Letter T is symmetrical as it have only one line of symmetry.

A Vertical line in the figure describe the reflectional symmetry.