Select one:

a. IRA
b. ARI
c. IAR
d. RIA

d. RIA

To select the correct option among the given choices, you can follow these steps:

1. Look at each option individually: IRA, ARI, IAR, RIA.
2. Notice that the options consist of three letters: I, R, and A.
3. Compare the given options with the choices provided.
4. Determine which option matches the sequence of the letters given in the question.

After following these steps, you will find that the correct option among the given choices is:

a. IRA

Based on the options provided, you can choose one of the following:

a. IRA
b. ARI
c. IAR
d. RIA