Answer:
d. Wundt is the correct answer.
Step-by-step explanation:
Wundt studied the basic sensations.he used the scientific plan to study the basic sensations structure and perception.
Wundt's purpose was to record the feelings and sensations and he parted psychology from philosophy by examining the functioning of the mind.
Wundt was the first to believed that consciousness could be analyzed by experimentation.
Thus (d) Wundt is the correct answer who studied basic sensations.