In the given following statements, select the correct statements

(a) A number of leaflets are present on a common axis, the rachis, which represent the midrib of the leaf in pinnately compound leaf

(b) The leaf base may become swollen is pulvin us in some leguminous plants

(c) Supporting roots coming out of the lower nodes of the stem called stilt roots in Banyan and Rhizophora

(d) Axillary buds of stems may also get modified into woody, straight pointed thorns as in Citrus and Bougainvillea