给出如下代码：<br/>class Book<br/>attr_accessor :author<br/>attr_reader :title<br/>attr_writer :comments<br/>def initialize(author, title)<br/>@author = author<br/>@title = title<br/>@comments = []<br/>end<br/>end<br/>book = Book.new("Chuck Palahniuk", "Fight Club")<br/>下列哪段代码是合法的？ A: "#{book.title} was written by #{book.author}." B: book.comments C: book.comments.each { |comment| puts comment } D: book.title = "Cooking Club"
给出如下代码：<br/>class Book<br/>attr_accessor :author<br/>attr_reader :title<br/>attr_writer :comments<br/>def initialize(author, title)<br/>@author = author<br/>@title = title<br/>@comments = []<br/>end<br/>end<br/>book = Book.new("Chuck Palahniuk", "Fight Club")<br/>下列哪段代码是合法的？ A: "#{book.title} was written by #{book.author}." B: book.comments C: book.comments.each { |comment| puts comment } D: book.title = "Cooking Club"
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