Arrange the following alcohols in order of increasing reactivity towards sodium metal .
`(CH_(3))_(3) C- OH (ii) (CH_(3))_(2) CH - OH`
`CH_(3)CH_(2)OH`
A. (iii) `lt ` (ii) `lt`( i)
B. (ii) `lt` (i) `lt` (iii)
C. (i) `lt` (ii) `lt` (iii)
D. (iii) `lt ` (i) `lt` (ii)