Central atom may exhibit `sp^(3)` hybridisation in how many of the following species:
(a)`CO_(2)` , (b)Graphite , ( c)Diamond , (d)`CO`
(e)`H_(3)BO_(3) (aq)` , (f)Zeolites `(Si`-central) , (g)Silicones `(Si)`
(h)Chlorosilane `(Si)`
(i)Borax (Boron) , (j) `Al_(2)Cl_(6)` , (k)`B_(2)H_(6)` , (l)`SiO_(2)`
(m)`H_(2)CO_(3)` , (n)`COCl_(2)` , (o)`CH_(4)` , (p)`C Cl_(4)`