Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Dinnerware

2. Dingiest

3. Dinosaurs

4. Dinucleotide

5. Dinkier

6. Dingling

To arrange the given words in the alphabetical order as they would appear in an English dictionary, we compare them letter by letter from left to right:

All six words start with the same first three letters, Din:
1. Dinnerware
2. Dingiest
3. Dinosaurs
4. Dinucleotide
5. Dinkier
6. Dingling

Next, we compare the fourth letter of each word:
- Dingiest (2) and Dingling (6) have g as their fourth letter.
- Dinkier (5) has k.
- Dinnerware (1) has n.
- Dinosaurs (3) has o.
- Dinucleotide (4) has u.

Since the alphabetical order of these fourth letters is g, then k, then n, then o, and finally u, the sequence must begin with the "Ding" words, followed by 5, then 1, then 3, and lastly 4.

Now, we differentiate between the two words starting with "Ding" (2 and 6) by comparing their fifth letters:
- Din-g-i-est (2) has the fifth letter i.
- Din-g-l-ing (6) has the fifth letter l.
Since i comes before l in the alphabet, Dingiest (2) comes before Dingling (6).

Putting it all together, the correct alphabetical sequence is:
1. Dingiest (2)
2. Dingling (6)
3. Dinkier (5)
4. Dinnerware (1)
5. Dinosaurs (3)
6. Dinucleotide (4)

This corresponds to the order: 2, 6, 5, 1, 3, 4.