Which of the following order are correct ?
`{:((a)TiH_(2) lt BeH_(2) lt CaH_(2)-"Electrical conductance ",(b)LiH lt NaH lt CaH-"Ionic character",,,),((c)F-F- lt H-H lt D-D-"Bond dissociation enthalpy",(d)H_(2)O lt MgH_(2)lt NaH-"Reducing character",,,):}`
A. `(a),(b)` and `(c)`
B. `(b),(c )` and `(d)`
C. `(a),(c )` and `(d)`
D. `(a),(b),(c )` and `(d)`