Paying attention to the of words often leads to deep processing.
a. number
b. meaning
c. sound
d. structure

b. meaning

Explanation:

Deep processing is a level of processing in which people try to find the meaning of the information for themselves and it is said that this helps to better remember data. This because this type of processing requires a meaningful analysis of how the words create meaning and that generates a better recall.

According to this, paying attention to the meaning of the words often leads to deep processing.

the only way i would see could be an autoclicker type software. but that is very time consuming.