Which should be inserted at line n1 to print Java-Oracle DB-J2EE-?

Given the code fragments:

Which should be inserted at line n1 to print Java-Oracle DB-J2EE-?
A. stre.forEach(System.out::print);
B. stre.map(a-> a.techName).forEach(System.out::print);
C. stre.map(a-> a).forEachOrdered(System.out::print);
D. stre.forEachOrdered(System.out::print);

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