in most CAsEs, you CAn trAnsplAnt A trEE suCCEssFully, At Any timE, iF you Follow thE instruCtions For plAnting A trEE. thE most importAnt thing is to Dig out Enough roots, But this proCEss is DiFFiCult with A lArgE trEE. whEn you Dig out thE trEE, lEAvE A BAll oF EArth ArounD its roots. this BAll oF EArth shoulD mEAsurE ABout A Foot wiDE For EvEry inCh oF thE trEE trunk’s DiAmEtEr.Dig DEEp Enough to AvoiD Cutting oFF too mAny tAproots. it is wisE to CAll in A proFEssionAl trEE ExpErt to trAnsplAnt A trEE morE thAn A FEw inChEs in trunk DiAmEtEr.

thE tAproots ArE ______.A．thE hEAviEst roots
B．thE prinCipAl, DEEpEst roots
C．thE BAll oF EArth
D．thE sAmE wiDth As thE trunk’s DiAmEtEr