How can one eliminate the drop in skewness due to hedge funds?

Select one:

a. Buy at-the-money puts on equity index and/or invest in managed futures

b. Buy deep in-the-money puts on equity index and/or invest in managed futures

c. Buy out-of-the-money puts on equity index and/or invest in managed futures

d. Buy out-of-the-money calls on equity index and/or invest in managed futures