Answer :
b. par
the par can be added to the beginning of any above word to create another full word
e.g
par-able = parable
the par can be added to the beginning of any above word to create another full word
e.g
par-able = parable
B. Par
Par is the only option to make a new word with each of those words
Par is the only option to make a new word with each of those words