Let $W$ denote the words in the English dictionary. Define the relation R by : <br> $R = \{(x,y) \in W \times W|$ the words $x$ and $y$ have at least one letter in common $\}$. Then $R$ is :

Question

( A ) not reflexive, symmetric and transitive
( B ) reflexive, not symmetric and transitive
( C ) reflexive, symmetric and not transitive
( D ) reflexive, symmetric and transitive