A nurse is preparing to administer a medication to a client who states, "That looks different from the pill I usually take." Which is the best response by the nurse?

A. Asking what the usual pill looks like may not provide clarity and does not address the client's concern directly. B. While the statement is accurate, it does not provide the client with reassurance or address the reason for the difference in appearance. C. This response acknowledges the client's concern, offers an explanation about variations in medication appearance due to different manufacturers, and reassures the client that it is the same medication prescribed. D. Suggesting that the pill is from a different lot number does not address the fact that variations in appearance can occur due to different manufacturers, which is more common and relevant to the situation.