He ..... asking about you since last night.AhadBhave beenChas beenDbeingAnswer: C. has been Read Explanation: since അടങ്ങുന്ന time expression ഉള്ളതിനാൽ perfect tense ഉപയോഗിക്കണം.ഇവിടെ perfect continuous tense ഉപയോഗിക്കുന്നു. Read more in App