The `IUPAC` name of the compound
`CH_(3)underset(OH)underset(|)(CH)CH_(2)-underset(OH)underset(|)overset(CH_(3))overset(|4)(C)-CH_(3)`
is
A. (1) `1,1`-dimethylbutane-`1,3`-diol
B. (2) `1,3,3`-trimathylpropane-`1,3`-diol
C. (3) `2`-methylpentane-`2,4`-diol
D. (4) `1,3,3`-trimethyl-`1,3`-propanediol