The word “undertaking ” refers to… A. studying at the university B. exhibiting mechanical talents C. seeking challenging endeavors D. performing feats

D

Từ “undertaking” ám chỉ đến

A. học đại học                                        B. triễn lãm tài năng máy móc

C. tìm kiếm nỗ lự thách thức                  D. thể hiện các món nghề

However, the young man was seeking more challenging endeavors, and two years later he became a stunt pilot who performed feats at county fairs and public assemblies. This unusual and dangerous undertaking

=>undertaking = performing feats => Chọn D