suppose you want to eliminate duplicate elements from the array int source..., Knowledge of .Net Framework 4.0, .Net Technology

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Question:Suppose you want to eliminate duplicate elements from the array

int[] source = { 7, 4, 1, 3, 9, 8, 6, 7, 2, 1, 8, 15, 8, 23}

and sort the elements in descending order using LINQ in .Net framework 4.0. Which of the following statements can you use?

A var result = (from s in source orderby s select distinct s).Descending(); 
B var result = (from s in source orderby s descending select s).Distinct(); 
C var result = select distinct s from s in source sortby s descending; 
D var result = from s in source orderby s descending group p by s select s;

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Question:Suppose you want to eliminate duplicate elements from the array int[] source = { 7, 4, 1, 3, 9, 8, 6, 7, 2, 1, 8, 15, 8, 23} and sort the elements in descending order using LINQ in .Net framework 4.0. Which of the following statements can you use?

A var result = (from s in source orderby s select distinct s).Descending();

B var result = (from s in source orderby s descending select s).Distinct();

C var result = select distinct s from s in source sortby s descending;

D var result = from s in source orderby s descending group p by s select s;

B