PT 6 S3 Q1

Roses always provide a stunning display of color, but only those flowers ... ...

Which one the following conclusions can be properly drawn from the passage?
(A) Some flowers which provide a stunning display of color are not worth growing in a garden.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Drawing Conclusions" Questions, Set 2 - Conditionals