Which statement describes the disadvantage of using a parallel circuit? ( I. ) It provides current from single source to pass through several devices. (II.) The more bulbs are added in the circuit, the dimmer they will glow. (III. ) If one device is disconnected, the other device will be affected. (IV. ) The total current becomes greater beyond the safe level resulting to overloading.

a.)II, III and IV
b.)I, II and III
c.)II
d.)IV