Final answer:
In English language, commas are used to create pauses in sentences and can often clarify the meaning of a sentence. In this case, sentence b) 'This merger has been surprisingly smooth.' is the one that uses commas correctly.
Step-by-step explanation:
The question is asking you to figure out which sentence uses commas correctly. Commas should be used to create brief pauses in sentences and can often help to clarify the meaning of a sentence. Considering the sentences given in the question a) This merger has been surprisingly, smooth. b) This merger has been surprisingly smooth. c) This merger has been, surprisingly, smooth. The correct use of commas is showcased in sentence b) 'This merger has been surprisingly smooth.' There are no pauses or breaks required in this sentence that would necessitate the usage of commas. In sentences a) and c), the commas make the sentence choppy and potentially confusing.
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