We planned to visit Ba Na Hills in the afternoon. We could not afford the fee

A. As planned, we could not afford the visit to Ba Na Hills in the afternoon because of the fee. 

B. We visited Ba Na Hills in the afternoon though the fee was too high for us. 

C. We were going to visit Ba Na Hills in the afternoon, but the fee was too high for us. 

D. The fee was, however, high enough for us to plan a visit to Ba Na Hills in the afternoon.