The correct answer is: A. read.web
read.web is a function in the R programming language that is used to read data from webpages. It can be used to read data from a variety of different types of webpages, including HTML, XML, and JSON. The function takes a URL as its input and returns a data frame containing the data from the webpage.
read.Lines is a function in the R programming language that is used to read lines of text from a file. It can be used to read lines of text from a variety of different types of files, including text files, CSV files, and Excel files. The function takes a file name as its input and returns a vector containing the lines of text from the file.
read.Line is a function in the R programming language that is used to read a single line of text from a file. It can be used to read a single line of text from a variety of different types of files, including text files, CSV files, and Excel files. The function takes a file name as its input and returns a character vector containing the line of text from the file.
Therefore, the only function that can be used to read data off the webpages is read.web.