Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to blow a bubble with bubblegum [title] Buy some bubblegum. [step] You can buy gum at pretty much every corner store. Chewing gums can be used to make bubbles, but they won't be as big, and they'll usually pop too easily. <sep> (A) To start off, select a pack of bubblegum like double bubble or bazooka. Generally, if there is a picture of a bubble on the package, it's a good choice. (B) Try buying some beach-friendly stuff, such as liquid gum or soft gum, for those little bubbles-it will roll. [substeps] You can also check online for gum specifically for bubbles, as the flavors are often very subtle. (C) Carrot straws won't come as easily. [title] Apply a clear jelly/wax mixture to your lips. (D) Always follow the packaging instructions carefully, and don't use gum that contains tea and processed sugar. [title] Gather your supplies and make some bubbles.
A:
A