Correct Answer: How is your current brand strategy working?

Solution : The correct choice is the fourth option.

• In the first sentence, the incorrectly spelled words are "currant" and "workinng". The correct spellings of these words are "current" and "working", respectively.
• In the second sentence, the incorrectly spelled word is "brrand". The correct spelling is "brand".
• In the third sentence, the incorrectly spelled word is "stretagy". The correct spelling is "strategy".
• In the fourth sentence, there are no incorrect spellings.