I'm phoning和 I'm on the phone 一样吗I'm phoning和 I'm on the phone 都是我在打电话 对么?

I'm phoning和 I'm on the phone 一样吗I'm phoning和 I'm on the phone 都是我在打电话 对么? The reason ________ I'm phoning to you is to tell you about a farewell party on Saturday.A because b whyc ford which选择哪一个? __________you tomorrow,OK? OK,bye. A.I phone B.I phoning C.I'm phoning D.I'll phone选项C可以是现在进行时表示将来时,而选项D也是表示将来时,那么C和D哪个是正确的? I'm stuck on I'm on fire. i'm on the I'M ON CLOUD I'M ON CLOUD I'm on cioud I'm on the I'm on the i'm on your right I 'm on your side! I'm always on the I‘m on (d ) today. I'm walking on air. i'm getting on my I'm on the way