How is the basic strength of aromatic amines affected by the presence of an electron releasing group on the benzene ring ?

Question

$\begin{array}{1 1} (a)\;\text{(a) The presence of electron releasing group increases basic character of aromatic amines.} \\\text{(b) The presence of electron releasing group decreases basic character of aromatic amines.} \\ \text{(c)The presence of electron releasing group does not affect the basic character of aromatic amines.} \\ \text{(d) The presence of electron releasing group increases acidic character of aromatic amines.} \end{array} $