Collect Like Terms and Then Arrange in Descending Order $4 x^{4}+13 x^{6}-10 x^{4}+12 x^{6}-3 x^{6}$

Multiple Choice

Collect like terms and then arrange in descending order.
- $4 x^{4}+13 x^{6}-10 x^{4}+12 x^{6}-3 x^{6}$

A) $16 x^{10}$
B) $22 x^{6}-6 x^{4}$
C) $16 x^{6}$
D) Can't be simplified