The Paste Options button becomes available when you paste data into cells in Excel. The button appears just below the pasted selection. When you click the Paste Options button, you are presented with a list of options that determine how the data will be pasted into the cell. These options are also available on the Edit menu when you click Paste Special.
Yes you do have to program it first.
Game-theif Trojans is the malware that makes a backdoor into your email account by which you are playing a game or has downloaded it and thus by this all information of user is exposed.
So option D is the answer.
Option A cannot be answer because Trojan does not use files for its purpose.
Option B cannot be a good option because Trojan works in online could.
Option C cannot be a option because Trojan does not need executable to attack your account.
Were a liquid what? id doesn't make any sense.