pbms
More by accident than design,
scientific field studies in recent years have begun to document the existence of very large flakes with laser probes that can make precise measurements.
(A) scientific field studies in recent years have begun to document the existence
(B) in recent years scientific field studies have begun to document the existence
(C) scientific field studies have begun to document the existence in recent years
(D) scientific field studies have begun in recent years to document the existence
(E) scientific field studies have begun to document in recent years the existence
I go with Option A
(A)
scientific field studies in recent years have begun to document the existence
-
recent scientific studies have begun to document, correct(B) in recent years scientific field studies have begun to document the existence
- This implies there was already a hypothesis but was never documented, in recent years studies are documenting
(C) scientific field studies have begun to document the existence in recent years
- Same as B
(D) scientific field studies have begun in recent years to document the existence
- Same as B
(E) scientific field studies have begun to document in recent years the existence
- Same as B