In here, answer (D) omit the be-V. The original sentence is "(Being) award of ....., companies conducting consumer...". Therefore, the answer (D) is correct.
(C) The sentence is redundant. It is more clear to be rewrite like " Because an awareness of connotations of the number 1 and 2 and the letters A and B". But still, it is less rhetorical than answer (D).