Which sentence uses incorrect hyphenation ?

a.my favorite treat is any sugar -covered nut

b.Does walking through sweet smelling roses make feet smell good ?

c.people crowded the store to see the well-known author .

d.The softly -spoken words were music to my ears .

Verified Answer :

the sentence that uses incorrect hyphenation is :
D. The softly -spoken words were music to my ears
in this sentence , the usage of hyphenation does not add more consistency to the text block

hope this helps