I think so far I have taken 6 wheelbarrow loads to the compost pile . On one of my trips I saw a snake sunning himself on a patch of dirt . It startled me for a minute but then I looked for him . I ' m sure he was just a garden snake .

pick from the following.
[a]. They are afraid of getting garden dirt on their shoe ..
[b]. They are afraid of serpents ..
[c]. They are afraid of dirt getting on their shoe ..
[d]. They are afraid of compost getting on their shoe ..
Answer the following question: Why would the narrator jump back a bit ?
[b].