Given the task definition and input, reply with output. In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Question: Which creek that the Lehigh and Susquehanna turnpike passes in succession is the longest? Passage:It was used initially by transient work crews timbering and building temporary river boats to haul cargo known as arks, a common solution to ship upstream resources out of the frontier. As such early on it anchored a sawmill, tavern, crude housing, tool and work sheds, and in 180405, a toll house built for the Lehigh and Susquehanna turnpike, climbing the nearby ravine of Jean's Run as it began the sharp ascent up Broad Mountain to pass in succession along the banks of the Black Creek, Quakake Creek, Beaver Creek valleys in (the future) Carbon County, Pennsylvania then climb Hazel Creek into Luzerne County up to the flat area of the Mountain pass, a marshy saddle which would become Hazelton, PA near the 1780s settlement of St John's along the descent to Nescopeck on the Susquehanna PA 93 follows much of the same road bed, save for starting at an elevated altitude from the nearby town of Nesquehoning, PA via a high level bridge.
Links: a. Black Creek (Lehigh River tributary) b. Quakake Creek c. Hazle Creek d. Broad Mountain (Lehigh Valley)
a