Taxi and cab are two words that are clipped from taxicab.

The first thing Jim did when he got off the train was to look for a porter. A: one who sells tickets B: taxicab C: one who carries luggage D: waiter

The first thing Jim did when he got off the train was to look for a porter.‎ A: one who sells tickets B: taxicab C: one who carries luggage D: waiter

The first thing Jim did when he got off the train was to look for a porter.‍ A: one who sells tickets B: taxicab C: one who carries luggage分析：porter n 搬运工（port+er) D: waiter‍