Anyone can modify, distribute, copy, or sell works from the ________ for profit

Analyze the following code:

``` class Test { private double i; public Test(double i) { this.t(); this.i = i; } public Test() { System.out.println("Default constructor"); this(1); } public void t() { System.out.println("Invoking t"); } } ``` a. this.t() may be replaced by t(). b. this.i may be replaced by i. c. this(1) must be called before System.out.println("Default constructor"). d. this(1) must be replaced by this(1.0).

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Fill in the blank(s) with the appropriate word(s).