<p>The answer is A. Choice C is completely correct. There is no other way to say “performing for”. You can not substitute “perform for” here. “Performing” acts as a adjective, rather than a verb here.</p>
<p>The answer is A. Choice C is completely correct. There is no other way to say “performing for”. You can not substitute “perform for” here. “Performing” acts as a adjective, rather than a verb here.</p>