In August 2010, a report was published on stone projectile points dating back 64,000 years excavating from layers of ancient sediment in Sibudu Cave, South Africa.
a) was published on stone projectile points dating back 64,000 years excavating from layers
b) were published on stone projectile points dating back 64,000 years layers excavated
c) published about stone projectile points dating back 64,000 years excavated from layers
d) was published on stone projectile points dating back 64,000 years excavated from layers
e) on stone projectile points dating back 64,000 years was published about layers
[spoiler]OA: D[/spoiler] why not A?
a) was published on stone projectile points dating back 64,000 years excavating from layers
b) were published on stone projectile points dating back 64,000 years layers excavated
c) published about stone projectile points dating back 64,000 years excavated from layers
d) was published on stone projectile points dating back 64,000 years excavated from layers
e) on stone projectile points dating back 64,000 years was published about layers
[spoiler]OA: D[/spoiler] why not A?
