Briefing Android Knowledge

What does the following code snippet do?

What does the following code snippet do?
mHelper.launchPurchaseFlow(this, ITEM_SKU, 10001,
mPurchaseFinishedListener, “”);

A.
Inform Google Play to add a product to the product list.

B.
Send the purchased item to the application.

C.
Launches and finishes the purchase process.

D.
Starts the purchase process.