Which sentence from the passage is the best evidence that ben is excited about the summer of traveling?

"no longer stuck in one place, this home on wheels provided for all his family’s needs while moving them from one unusual spot to the next."

"a few of his classmates wondered whether ben would be joining them as shortstop this year, but ben shook his head no."

"his family was headed out
for another summer adventure in the trailer they called home."

"ben looked forward to discovering which route they would take and which unique places they might visit this year."