The correct statement(s) about the compound
`H_(3)C(HO)HC-CH=CH-CH(OH)CH_(3) (X)` is/are
A. The total number of stereoisomers possible for X si 6.
B. The total number of diastereomers possible for X si 3.
C. If the stereochemistry about the double bond in X is trans, the number of enantiomers possible for X is 4.
D. If the stereochemistry about the double bond in X is cis, the number of enantiomers possible for X is 2.