Answer: a) In the categories organized by the words' meanings
Explanation:
Verbal learning theory describes about attaining and retaining of any verbal concept so that it can be recalled later on.This learning develops with help of stimulus that invokes response as the outcome.
According to the question, Jennifer will tend to recall the words from the list as per the classification of its meaning because it provides better understanding as stimulus in recalling process as response.
Other options are incorrect because section of items and synonym are not the verbal materials that helps in recalling the words according to verbal learning research concept./Thus, the correct option is option(a).