The 4th one is correct! :)
could you add me as best answer?
Power. "My Last Duchess<span>" is all about power: the political and social power wielded by the speaker (the Duke) and his attempt to control the domestic sphere (his marriage) in the same way that he rules hi...</span>
Lieutenant is not a part of the main clause, and it is an address to a person that is inserted into the sentence. It must be therefore separated by comas on both sides: the correct answer is a.
Answer: The object of the preposition by means of is "protest".
Explanation:<u> The object of the preposition is a noun or a pronoun that completes a prepositional phrase</u> which has been introduced by a preposition. Most times, this noun or pronoun is found to the right of the preposition. Moreover, in some cases, a gerund can also function as object of the preposition, In the sentence provided,<u> the object of the proposition is a noun ("protest") and it is found to the right of "by means of". </u>
