Rode to the Schaumburg library , a brief 11 miles away . Yeah , I got a lot of sun today . Methinks sun burn is likely , especially since I 'll be outside a lot tomorrow ( will wear sunblock then for sure ) .

Select from the following.
(a). Because the library was 11 miles away .;
(b). Because they will wear sunblock tomorrow .;
(c). Because they were out in the sun and without sunscreen .;
(d). Because they rode to the Schaumburg library .;
Answer the following question: What 's a possible reason the writer thinks a sunburn is likely ?
(c).