GRE Logical Reading: ETS-GRE逻辑单题ETS - O9Y0Y6VD0R7J9G9TJ$

If the information presented is true, which of the following can most reliably be concluded on the basis of it? A. As a decorative plant, French tarragon is more desirable than Russian tarragon. B. The flowers of Russian tarragon plants are probably not flavorful. C. Plants that grow from seeds sold in a packet labeled "tarragon" are not French tarragon. D. There are no other kinds of tarragon besides Russian tarragon and French tarragon E. Garden plants that have flavorful leaves generally do not produce flowers.