Choose the correct sentence which is built from the words and phrases given:
I / one/ old friends/ I / shop/ supermarket / two days ago.
I met one of my old friends white I was doing shopping in the supermarket two days ago.
I met one of my old friends while I was shopping on the supermarket days ago.
I met my one old friends while I was doing shopping in the supermarket days ago.
I met one of my old friends while I was shopping to the supermarket I days ago.
I met one of my old friends white I was doing shopping in the supermarket two days ago.