You have been hired by The Mandarin Inn, a local Chinese restaurant that has adapted to the new shelter-in-place environment by expanding to online restaurant orders, and also offering a new pantry service to local customers. Your first project is to conduct basic data analysis for the restaurant to determine how well a social media post is contributing to the Mandarin Inn's current strategic goal of acquiring new customers for its online pantry service offering. Which of the following metrics for the advertisement is the best candidate for a KPI relative to the strategic goal?
A. Views of the advertisement over time.
B. Shares of the post over time.
C. Likes of the post over time.
D. Clicks to the pantry signup page from the post over time.