A transverse wave is travelling along a long stretched string from left to right, along positive $$x$$ direction. The snapshot of a small part of the string at any moment $$t$$ is shown in the figure. At this particular instant

A

$$A$$ and $$E$$ are at rest for a moment while $$C$$ and $$G$$ have maximum speed

B

$$B$$ and $$D$$ have upward velocity whereas $$F$$ and $$H$$ have downward velocity

C

$$D$$, $$E$$ and $$F$$ are moving downward at that moment

D

$$B$$ and $$H$$ are moving downward at that moment