Most people think that it is( )to spend some time surfing th

B be worthwhile to do sth 值得做某事
be worth doing sth
be wothy of being done
be worthy to be done

B.worthwhile

1 Most people think that it is WORTHWHILE to spend some time surfing the Internet.
2 The book is worth reading
==The book is worthy of being read,
===The book is worthy to be read.
===It is worthwhile to read the book.==The book is worthwhile to read.