Which code segment should you insert at line 04?

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?

A . Option A
B . Option B
C . Option C
D . Option D

Answer: D

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.

http://msdn.microsoft.com/en-us/library/system.net.webclient.uploadvaluestaskasync.aspx