Prospecting for gold during the California

[ChengC890]

Prospecting for gold during the California gold rush was relatively easy task, because of erosion, prehistoric glacier movement and ancient, gold bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach for anybody with a pan or shovel.

A. because of erosion, prehistoric glacier movement and ancient, gold bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach for.

B. because of erosion, prehistoric glacier movement and volcanic activity that thrust ancient, gold bearing riverbeds to the surface , and putting gold literally within reach of.

C. owing to erosion, prehistoric glacier movement and volcanic activity that had thrust ancient, gold bearing riverbeds to the surface , and putting gold literally within reach of.

D. since erosion, prehistoric glacier movement and volcanic activity that thrust ancient, gold bearing riverbeds to the surface, putting gold literally within reach for

E. since erosion, prehistoric glacier movement and ancient, gold bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach of.

The answer is E, but it just seems ungrammatical to me. There seem to be 2 verbs here, "thrust" and "put", without any conjunction in between. How can that be correct? If I add "that" before the word "thrust" it just makes much more sense to me. Please someone help me with this, much appreciated!

[RonPurewal]

please search the forum before posting, thanks.

prospecting-for-gold-during-the-california-gold-rush-t6025.html