[单选题]
An ideal transformer has 60 turns on its primary coil an1b;n fk9g5o2q y)r cv4 uvrx,ppw e/6md 30*y9ngbg(c2ua b uw*7 k0 turns on its secondary coil. If 120 V at 2.0 A is applied to the primary, what current is pres g*9b(ngua7kb wyu c*2ent in the secondary?
A. $0.40 \; A$
B. $2.0 \; A$
C. $4.0 \; A$
D. $10 \; A$