Which lamp lights up?

Buna göre K, L ve M lambalarından hangileri ışık verir?

A) Yalnız K

B) Yalnız L

C) Yalnız M

D) K ve L

E) L ve M

Soruda görsel içerik var: The image shows three separate circuit diagrams, each containing a battery and a light bulb labeled K, L, or M. Each diagram features a rectangle representing the circuit path. The top left diagram shows a lamp labeled K with a battery below it. The top right diagram shows a lamp labeled L connected in a series circuit with a battery. The bottom center diagram shows a lamp labeled M connected in a circuit with a battery. In each case, standard circuit symbols for DC cells and bulbs are used.