Final answer:
Kelsey is likely struggling with the ability to recognize words with blends, including tasks b and d.
Step-by-step explanation:
Based on the information provided, the phonological task that Kelsey is likely struggling with is the ability to recognize words with blends. Blends are two or more consonant sounds that appear together in a word but are produced separately, such as in the word 'blend' where the 'bl' is a blend. Out of the given options, Kelsey would likely struggle with tasks b and d. In task b, Kelsey is asked to say the word 'crate' without the /k/ sound, which is an example of recognizing a blend. In task d, Kelsey is asked to say the word 'bask' without the /s/ sound, which is another example of recognizing a blend.