Arrangement of elements — practice question

The diagram illustrates elements W, X, Y and Z in part of the Periodic Table. Which statement about the elements’ reactivity is correct?

• AX is more reactive than Y, and W is more reactive than Z.
• BX is more reactive than Y, and Z is more reactive than W.
• CY is more reactive than X, and W is more reactive than Z.
• DY is more reactive than X, and Z is more reactive than W.