The fragment from the third paragraph “volunteers had their hands covered with harmless bugs” means the same as The volunteers themselves used har...

The fragment from the third paragraph “volunteers had their hands covered with harmless bugs” means the same as

The volunteers themselves used harmless bugs to cover their hands, nobody else.
A) somebody else covered the volunteers’ hands with harmless bugs, not the volunteers themselves.
B) volunteers had to cover their own hands with harmless bugs.
C) harmless bugs had to be used to cover the volunteers’ hands, nothing else.
D) volunteers had their hands covering the harmless bugs.
E) the volunteers themselves used harmless bugs to cover their hands, nobody else.