\eqalign{ & Let \cr & a = \left( {4 \div 3} \right) \div {\text{3}} \div {\text{4,}} \cr & b = 4 \div \left( {3 \div 3} \right) \div {\text{4,}} \cr & c = 4 \div 3 \div \left( {3 \div 4} \right){\text{,}} \cr} $$The maximum value among the above three is?

• A. a
• B. b
• C. c
• D. All equal