Explanation:

Let’s break this down step by step:

- Take a look at the given series: D _ R X E C M R _ E _ M R X _ A M _ X E

- Your job is to find which set of 5 letters fits into those blanks to make the pattern make sense.

Let’s go option by option:

Option 1: B X M E R

- Plugging these in, you get: D B R X E C M R X E M M R X R A M R X E

- Double M and double R show up—doesn’t look like a logical, repeating series. This one’s off.

Option 2: E B X M R

- Results in: D E R X E C M R B E X M M R X R A M R X E

- The order doesn't produce a clean repeat either—start seeing letter clusters, but the sequence is broken.

Option 3: M X B E R

- Series: D M R X E C M R X E B M R X E A M R X E

- The gap is that you repeat M R X E after each unique letter (D, C, B, A), which means there’s a repeating cycle. This fits nicely.

Option 4: X M B E R

- Series: D X R X E C M R B E X M M R X R A M R X E

- Here, the flow breaks and doesn’t maintain any clean sequence.

So, the pattern is: [Letter] M R X E ... repeating

Here’s the thing, Option 3 nails the repeating motif. That's the only one that works all the way through.

Correct Answer: Option 3 – M X B E R