which is the most challenging?

a. Correctly answering the question, “Do ‘monkey’ and ‘mouse’ start with the same sound?”
b. Segmenting the phonemes in the words “d – o – t,” “d – r – i – p,” and “f – l – a – p.”
c. Segmenting and clapping the syllables in “moun – tain” and “dra – gon – fly.”
d. Blending the initial sound and rest of the word in “j – uice” and “c – ookie.”