$$39746=3\times 10000+9\times 1000+7\times 100+4\times 10+6$$
Correct option is A. True
The expanded form is $$39746 =3\times 10,000+9\times 1000+7\times 100+4\times 10+6$$
As $$3\times 10000+9\times 1000+7\times 100+4\times 10+6 = 30000 + 9000 + 700 + 40 + 6 = 39746$$
$$\therefore$$ $$\textbf{The given statement is true.}$$