Which sentence is better in the following sentences below A or B

1) A. Bananas are a healthy snack but a poor office lunch choice. Because they tend to be bruised or crushed in transport.

B. Bananas are a healthy snack but a poor office lunch choice, because they tend to be bruised or crushed in transport.

2) A. The CEO of our company is a kind and creative woman who can also be tenacious. Like many CEOs, she makes many important decisions.

B. CEOs make important decisions. The CEO of our company is a kind and creative woman. Our CEO can be tenacious.

3) A. The job entails processing billing statements, documenting travel allotments, and patience in the face of complaints from customers.

B. The job entails processing billing statements, documenting travel allotments, and facing customer complaints with patience.

4) A. An impressive resume is important; however, demonstrable and applicable skills are all that matter once you're in the door.

B. An impressive resume is important, however demonstrable and applicable skills are all that matter once you're in the door.

5) A. Aspiring team leaders know that soft skills matter. Being that they are hard to measure, however. It can be easy to forget to practice them.

B. Although soft skills are difficult to measure, and they may therefore seem not worth practicing, aspiring team leaders know they matter.

6) A. By reading the manual carefully, it can prevent many user errors.

B. Reading the manual carefully can prevent many user errors.