B_2.scala:6: error: not found: value x
  new p1.A(x).x
           ^
B_2.scala:6: error: value x in class A cannot be accessed in p1.A
  new p1.A(x).x
              ^
B_2.scala:7: error: not found: value x
  new B(x).x
        ^
B_2.scala:7: error: value x is not a member of B
  new B(x).x
           ^
B_2.scala:8: error: not found: value x
  new C(x).x
        ^
B_2.scala:8: error: value x in class C cannot be accessed in C
  new C(x).x
           ^
6 errors found