An application will upload data by using HTML form-based encoding. The application uses a method named SendMessage.
The SendMessage()method includes the following code. (Line numbers are included for reference only.)

The receiving URL accepts parameters as form-encoded values.
You need to send the values intA and intB as form-encoded values named a and b, respectively.
Which code segment should you insert at line 04?

Correct Answer: D
Explanation/Reference:
Explanation:
WebClient.UploadValuesTaskAsync - Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object. These methods do not block the calling thread.
References: http://msdn.microsoft.com/en-us/library/system.net.webclient.uploadvaluestaskasync.aspx