Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks from 26 to 30.

On the topic of cutting down trees, not everyone is in agreement. There seem to be different views on this topic, and these (26) ________ a number of factors. For example, people who enjoy walking in the forests would like to prevent people from cutting down trees. Also, we need trees for our oxygen and according to (27) ________ , if we continue to cut them down, we will certainly destroy our planet.

On the other hand, people who (28) ________ a living out of timber think they have a right to cut down trees. I think this is fine provided that they plant new trees to replace the ones they cut down. (29) ________ , a lot of illegal logging also takes place and these trees are not replaced.

As far as I am concerned, the best approach would be to manage our forests more carefully so that we only cut down trees (30) ________ it helps other trees survive and remain healthy, or as part of a replanting program.