Question:
AA beautiful song was written by him
BA beautiful song is written by him
CA beautiful song had been written by him
DA beautiful song has been written by him
Answer:
ഇവിടെ തന്നിരിക്കുന്ന sentence,Present perfect tense ആണ് . അതിന്റെ passive form 'has/have+been+past participle of verb'.