The Anticodon of TRNAala Can Bind to Three Different Codons

Multiple Choice

The anticodon of tRNAala can bind to three different codons for alanine (GCU,GCC and GCA) because

A) there are different bases at the 5' end position of the anticodon.
B) there are different bases at the 3' end position of the anticodon.
C) the base at the 5' position of the anticodon is I and is the wobble position.
D) the base at the 3' position of the anticodon is I and is the wobble position.