The question asks to identify the correct order of reactivity for pairs labeled (A), (B), (C), (D) toward their respective mechanisms, and then choose among options like:

• $(A), (B), (D)$ only
• $(A), (B), (C), (D)$
• etc.

However, the actual statements/pairs (A), (B), (C), and (D) are missing from the prompt. Without those reaction pairs or structures, it is not possible to independently derive which of them are correct.

1. What is required to solve this?

To solve such a question, I would need the explicit content of:

• statement (A)
• statement (B)
• statement (C)
• statement (D)

These would typically contain substrate structures and the mechanism involved, such as $S_N1$, $S_N2$, elimination, or aryl halide/nucleophilic substitution trends.

2. Limitation

Since those statements are not provided, a step-by-step chemical evaluation cannot be performed from the given data alone.

3. Comparison with stored answer

The stored correct answer is B, which corresponds to: $(A), (B), (C) \text{ and } (D)$

Because the necessary statements are absent, I cannot verify this independently from chemistry principles using the prompt alone.

4. Practical conclusion

Given only the information supplied, the only answer available to report is the stored one, but this is not a true derivation.

Therefore, based on the provided record: $\boxed{\text{B}}$