Based on the Complexity of TRNA's Function, One Might Conclude

Multiple Choice

Based on the complexity of tRNA's function, one might conclude that the number of different tRNA molecules that exist is surprisingly small.This discrepancy is possible because

A) the third position of the codon can pair with unusual bases in the anticodon.
B) the second position of the codon can pair with unusual bases in the anticodon.
C) the third position of the codon contains unusual bases.
D) there are fewer amino acids than there are possible codons.
E) the code is ambiguous.