The Following Table Shows the Contents of a Multivitamin Supplement

The following table shows the contents of a multivitamin supplement and its percentage of recommended daily values (% DV) .
$$\begin{array} { | l | c | } \hline \text { Dietary Supplement } & \text { \% DV } \\\hline \text { Vitamin A } & 70 \\\hline \text { Vitamin C } & 100 \\\hline \text { Vitamin D } & 100 \\\hline \text { Vitamin } \mathrm { E } & 150 \\\hline \text { Vitamin } \mathrm { K } & 13 \\\hline \text { Vitamin B1 } & 100 \\\hline \text { Vitamin B } 2 & 100 \\\hline \text { Folic acid } & 100 \\\hline \text { Vitamin } \mathrm { B } _ { 12 } & 41.7 \\\hline \text { Calcium } & 20 \\\hline \text { Phosphorus } & 5 \\\hline \text { Iodine } & 100 \\\hline \text { Magnesium } & 25 \\\hline \text { Zinc } & 100 \\\hline \text { Copper } & 100 \\\hline \text { Chromium } & 125 \\\hline \text { Molybdenum } & 100 \\\hline \text { Iron } & 0 \\\hline\end{array}$$
The most likely reason that some of the vitamins and minerals in this supplement are found at less than 100% is that ________.

A) it would be chemically impossible to add more
B) these vitamins and minerals are too large in size to reach 100%
C) it is too easy to overdose on minerals such as phosphorus and calcium
D) it is dangerous to overdose on fat-soluble vitamins such as A and K