Airbus A340-300 (CS-TOM)

I'm confused because I thought this aircraft had 4 engines? Could someone please tell me what type of aircraft is pictured here and if it always has 2 engines and if it sometimes has 4 engines. Also, can anyone tell me how many passengers it holds.

Sue - This picture is incorrectly identified. It is NOT an A340-300 (which has four engines), but it IS an A330-200 - which has only two engines. It always has only 2, the 340 always has 4. This airplane, the A330-200, typically carries between 210 & 250 passengers - but airlines can configure them to carry many more, upwards of 400 passengers. I hope this clears any confusion.