The table given below lists the bond dissociation energy `(E_("diss"))` for single covalent bonds formed between C and atoms A, B, D, E.
`{:("Bond",,,E_("diss")("kcal mol"^(-1))),(C-A,,," "240),(C-B,,," "382),(C-D,,," "276),(C-E,,," "486):}`
Which of the atoms has smallest size ?
A. D
B. E
C. A
D. D