Fiona and Becky is having a discussion about electricity.
Fiona: “What’s your opinion about electricity now and then?” (Becky): “It ______ a luxury, but now it’s a necessity.

A. used to be

B. would be

C. was being

D. had been

Fiona and Becky is having a discussion about electricity.Fiona: “What’s your opinion about electricity now and then?” (Becky): “It ______ a luxury, but now it’s a necessity.