Numeric constants are integers which range in magnitude from $0$ to $999999999999999$ and may be signed or unsigned. Examples of numeric constants are:

$0-131300114567$ Some invalid numeric constants are:

$1\mathrm{.}2$ not an integer $$1$ not numeric $1000000000000000$ too large

Question: Which of the following is not a legal numeric constant?

A$.10\mathrm{.}2$

B$.-0$

C$.00000007$

D$.89$