Answer:
C. Stretching logs, ropes orgables over a stream, the earliest bridges were built by ancient peoples.
Step-by-step explanation:
A dangling modifier can be perceived in a sentence that has an ambiguous structure in relation to grammatical construction. This is because when reading the sentence, we will perceive a word that will appear as a grammatical modifier that does not specify the noun to which it is referring, considering to refer to any of the nouns presented in the sentence.
Option C, selected above, is a great example of this.