I....a bath when you waited me in my room. a.Take b.took c.was taking d.has taken tolong dijawab

pola kalimat = simple past continuous, simple past
(s+was/were+verb-ing),when/while (s+v2)
I was taking a bath, when you waited me in my room.
(aku sedang mandi saat kamu menungguku di kamarku)