Sendler didn’t tell her own children what she did in the war because（ ）.

(单选题)The purpose of the author in writing the passage is to ( (单选题)We can learn from the passage that ( ). (单选题)According to the passage, when changes throw our work lives (单选题)By “the safety net we preserve requires a big trade-off” (li (单选题)From the first paragraph we can learn that ( ). (单选题)What should be done to meet the future challenges? ( ) (单选题)What do we learn about the private schools in the UK? ( ) (单选题)According to the passage, which of the followings is NOT the (单选题)What is the conclusion of a recently-published report? ( (单选题)What do we learn from the passage about creativity? ( )