Arrange the given words in the sequence in which they occur in the dictionary.
1. Detective
2. Deter
3. Detachment
4. Different
5. Dictate

First letter of all the words are same so verifying the second letter.

The alphabetical order of second letters of the given words is e, i. So Detective, Deter, Detachment are placed before Different and Dictate.

Among Detective, Deter, Detachment the fourth letter of Detachment comes before Detective and Deter in alphabetical order. So Detachment is placed first.

Among Detective and Deter, the fifth letter of Detective comes before Deter in alphabetical order. So Detective is placed second and Deter is placed third.

Among Different and Dictate, the third letter of Dictate comes before Different in alphabetical order. So Dictate is placed fourth and Different is placed fifth.

$$\therefore\ $$The order of the givens words according to dictionary is Detachment, Detective, Deter, Dictate, Different

Hence, the correct answer is Option B