This is is still a language structure problem and requires a great deal of attention in order to answer the question correctly

Option A - Incorrect
This is no different from the question statement underlined above with no logical meaning aside the one stated in the original statement.

Option B - Incorrect
The statement is originally a suggestive assertion and not a directive assertion that "bamboo would be used" although there appear s a problem with the comparison of the wood material in terms of the sentence construction.

Option C - correct
This takes the form of the statement in option B above although it shows clearly a more powerful sentence construction than in B above. The comparison is apt and consistent.

Option D - Incorrect
This statement is assertive as it suggests that "bamboo" is already in use which is clearly against the writer's submission.

Option E - Incorrect
The statement here is in comparison of two materials and non of it is better than the other. It seeks to equate "bamboo" to "wood" which makes the option statement lacking the truth.