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 call phones from gmail [title] Open your gmail account. [step] If you do not have one, create one. [title] Go to " chat " on the left hand side of your gmail screen. <sep> (A) [step] On the top right area, find the contact you want to contact. [title] Enter the username and password for the contact's account into the fields. (B) [step] Look for the telephone icon that says " call phone ". There will be a phone symbol located next to this line. (C) [step] If you want, click " settings " and select " privacy. " [title] Click on " phone " in the right pane. (D) [step] This will reveal all the other settings. [substeps] There will be a magnifying glass at the top of this screen.
A:
B