What is the name of the common error in the following sentence? having risen because of the rains, the hikers were unable to cross the river.
a. infinitive phrase end of exam
b. prepositional phrase
c. dangling modifier
d. run-on sentence

The answer to this question is C - the common error in this sentence is a dangling modifier. The dangling modifier included here, would be the words 'having risen'. It Is unclear in this sentence whether this phrase is referring to the hikers, or the river. The hikers could have been woken up early because of the rains, until we reach the end of the sentence that concerns a river that also could have risen due to the rains.