The table below shows the crude and age adjusted rates for Mortality from Penetrative Trauma between two populations. Population A Population B Crude Rate (per 10,000) Adjusted Rate (per 10,000) 92 124 23 31 Which of the following is the best response? a. The comparison of the adjusted rates was confounded by age b. More information is needed to make an interpretation c. The comparison of the crude rates was not confounded by age d. The comparison of the crude rates was confounded by age