Every Extra Metre of the Length Adds 5

Multiple Choice

Every extra metre of the length adds 5.2 kg to the average weight.

A) This is not correct.Every extra foot of the length adds 5.2 kg to the average weight,for a given chest size and sex.
B) This is correct.
C) This is not correct.Weight,the response variable,does not effect length.
D) This is not correct.Length does not effect weight.
E) This is not correct.Every extra inch of the length adds 3.6 pounds to the average weight.