(A) The modernization program for the steel mill will cost approximately 51 million dollars, which it is hoped can be completed in the late 1980s.
(B) The modernization program for the steel mill, hopefully completed in the late 1980s, will cost approximately 51 million dollars.
(C) Modernizing the steel mill, hopefully to be completed in the late 1980s, will cost approximately 51 million dollars.
(D) The program for modernizing the steel mill, which can, it is hoped, be completed in the late 1980s and cost approximately 51 million dollars.
(E) Modernizing the steel mill, a program that can, it is hoped, be completed in the late 1980s, will cost approximately 51 million dollars.
Solution:
Modifier
In A, which is incorrectly modifying 51 million dollars and in D, which is incorrectly modifying steel mill. Hence, A and D are incorrect.
In B and C, usage of hopefully is incorrect. Hopefully can only be used when it modifies verb.
E is the best choice.
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