she ..... waiting for you since this morning.AhaveBbeingChave beenDhas beenAnswer: D. has been Read Explanation: since അടങ്ങുന്ന time expression ഉള്ളതിനാൽ perfect tense ഉപയോഗിക്കണം.ഇവിടെ perfect continuous tense ഉപയോഗിക്കുന്നു.Read more in App