This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
True statements regarding the calculation of HDI are all of the following except 
Select and explain. 
A. In gross enrolment, only secondary education is considered, not primary education, B. 1/3rd weightage is given to adult literacy, C. 2/3`dweightage is given to gross enrolmen, D. Country's achievement is computed on the basis of adult literacy
D: Country's achievement is computed on the basis of adult literacy
Answer: D: Country's achievement is computed on the basis of adult literacy 
Explanation: Ans. d. Country's achievement is computed on the basis of adult literacyThe knowledge and education index of a country is computed on the basis of adult literacy rate and combined gross enrollment ratio."