题目内容：

根据短文内容，从短文后的选项中选出能填人空白处的最佳选项，选项中有两项为多余

选项。

Parents usually go to malls to find new school supplies for their children. One of the most important things to get during this time is the backpack.  1.   This makes the bag less likely to hinder（妨碍）other activities that the person carrying it may be doing at the same time. Here are the ways parents can choose the perfect backpack for school.

How many books will children be carrying to school? How many notebooks should be inside the bag?    2.   Each situation requires a different bag so it pays to ask children about the expected load.

3.   If they will be carrying a laptop computer inside the new backpack, make sure that parents get a model that's designed specifically for laptop use. This will protect the computer from bumps and falls that might damage the device if it had less protection.

Are children going to use the bag for a long time?  4.   Parents may have to pay extra cash to get the top of the line and the best backpack in the market.

Count the pockets. Backpacks usually come with a lot of pockets, and generally, the more pockets, the better. 5.

Picking the perfect school backpack is all about getting the sweet compromise（折中） between form, function and price. Remember to choose the best fit for children's needs.

A. This allows children to organize their things, like pens and pencils inside small pockets.

B. However, more pockets also mean more trouble, children will have difficulty finding their things inside the pockets.

C. Parents should know these details before buying a bag for their children.

D. Children are special and their needs are different from their parents.

E. Do children need special storage for the bag?

F.  If they want to use a bag for a long time, parents will be better off investing in a good brand that is known for quality.

G. Most students choose to bring a backpack because it allows them to have both hands free.