Option (D).
Given:
The objective is to select the correct plot correctly.
The frequency of number of toppings 1 is 2.
The frequency of number of toppings 2 is 5.
The frequency of number of toppings 3 is 4.
The frequency of number of toppings 4 is 1.
By comparing the given choices, the dot plots in options (D) matches with the given frequency values.
Hence, option (D) is the correct answer.